86results about "Bulkheads/piles" patented technology

A hammer drill/driver with a motor having an output member, a planetary transmission, a clutch assembly and a clutch bypass. The planetary transmission, which includes a ring gear, receives rotary power from the output member and produces a rotary output. The clutch assembly has a clutch profile, which is coupled to the ring gear, and a first pin assembly having a first follower, a first pin member and a first spring that biases the first follower into contact with the clutch profile. The clutch bypass has a bypass profile, which is coupled to the ring gear, and second pin assembly having a second follower, a second pin member, a third spring, which biases the second follower away from the bypass profile, and a fourth spring, which biases the second follower away from the second pin member. A method for operation of a hammer drill/driver is also provided.

The triple pipe double high pressure rotary jetting sprouting method for reinforcing construction includes jetting high pressure water flow coating compressed air via the upper nozzle and jetting high pressure cement slurry coating compressed air via the lower nozzle separately to twice cut the soil before the cement slurry and the stirred soil mix to form foundation reinforcing pile. The rotary jetting apparatus for the construction has both high pressure water nozzle and high pressure cement slurry nozzle for the first soil cutting and the second soil cutting separately. The present invention can form high pressure jet with great energy and powerful soil breaking effect, and can form large and deep reinforcing pile.

The invention is a method and device of slope rock anchoring construction by using cables to pull drill floor for locating and applying pressure. The method: according to the six (or four) anchoring points preset in the range of anchoring operation surface, linking two points in the high position by a steel cable, hanging the drill floor under the pulley rolling on the steel cable through pulley group, using a steel rope fixed on the ground for lifting the jenny to make the drill floor vertically move up and down through the pulley group; using four steel ropes of four transverse moving jennies all fixed on the ground to make the drill floor move left and right through the turning pulleys on the anchoring points and the drill floor. There are four extension and turning truckles on one side of the drill floor, near the steep slope. The anchored driller on the drill floor can regulate the angle of drilling hole on the horizontal and vertical surfaces. When constructing, using operation control button on the drill floor to control to lift the jenny and transverse moving jennies so as to move the drill floor to hole drilling position and make the drill floor closely adhere to the slope, and at the same time support up the supporting legs of the extension and turning truckles to press the drill floor in the hole position for drilling hole.

An aggregate pier compacting system for forming a compacted aggregate pier (AP) at a target location includes a mandrel, a tamper device, and a finishing tamper device. The mandrel includes a casing for housing a drilling shaft (DS). An external vibratory hammer (EVH) repeatedly impacts a hammer element (HE) extending from the DS. The DS transfers the impact to a bore head to form a cavity at the target location. The DS is removed and the casing is filled with aggregate. The tamper device includes a compacting shaft. The EVH impacts a second HE extending from the compacting shaft and transfers the impact to a compaction head to form the compacted AP. The finishing tamper device includes a shaft. The EVH impacts a third HE extending from the shaft and transfers the impact to a finishing head compacting a top layer of the AP to form a finished AP.

There is disclosed an underpinning pile to provide an efficient, simple and sure method in driving and lifting the foundation and at the same time securing the direct transference of preload without further loss of preload from the building into the newly completed driven pile. A pile anchor head (11) is provided that receives a pile (12) and is provided with a lifting means (13). The pile anchor head (11) and lifting means (13) receive the building load and transfers it to the pile (12), which allows practically any kind of material and shape of pile (12) to be used.

A vibration generator for a vibration pile driver has imbalance masses that can rotate and which are disposed on shafts. The rotational position of the imbalance masses can be adjusted relative to one another. A control and regulation circuit is provided, which has the following components: a memory unit for storing ground composition data sets or task-specific default data sets with defined operational characteristic variables; sensors for continuous detection of the defined operational characteristic variables; an evaluation unit for comparing the operational characteristic variables that are determined with the operational characteristic variables of the selected default data set; a regulation device for regulating the vibration generator; and a control device for controlling the means for adjusting the rotational position of the imbalance masses relative to one another. The vibration generator is part of a vibration pile driver.

The invention discloses a lock catch steel pipe pile and I-shaped plate pile combined cofferdam structure. The lock catch steel pipe pile and I-shaped plate pile combined cofferdam structure comprisesa plurality of lock catch steel pipe piles which are mutually spliced end to end, and a plurality of I-shaped lock plates; two or more C-shaped lock catches are mounted on the outer side wall of eachlock catch steel pipe pile; and the two ends of each I-shaped lock plate are clamped and inserted into the C-shaped lock catches of the two corresponding adjacent lock catch steel pipe piles correspondingly, and thus the two adjacent lock catch steel pipe piles are connected. By adopting a lock catch steel pipe pile and I-shaped plate pile combined structure form, the construction work efficiencyis improved while the engineering construction cost is lowered; and the lock catch steel pipe piles and the I-shaped plate piles are connected through the C-shaped lock catches, thus the structure issimple, connecting is reliable, and integrity of a cofferdam is improved.

The invention discloses a building piling machine. The building piling machine comprises two first support plates. The upper ends of the two first support plates are each provided with two support rods, wherein every two support rods are symmetrical in the front-back direction and are fixedly connected. A same annular frame is fixedly connected among the four support rods through connecting rods.Two symmetrical arc-shaped clamping plates are fixedly connected to the inner side of the annular frame through multiple springs. Multiple limiting rods are fixedly and uniformly connected to the side, close to the annular frame, of each arc-shaped clamping plate. The multiple limiting rods at each side penetrate the surface of the annular frame through through holes formed in the surface of the annular frame and are fixedly connected with the corresponding arc-shaped clamping plate. According to the building piling machine, a pile is hammered into the ground through the impact force generatedby the gravity of a pile hammer; labor force is saved; a pile body does not need to be held by hands, and piling can be achieved; labor efficiency is improved; and in addition, the problem that accidents are caused in the piling process that the pile body is held manually, so that people are injured is avoided.

The invention discloses a combined splicing tubular pipe. The combined splicing tubular pipe comprises at least two hollow pile bodies which are sequentially connected with each other, and is characterized by also comprising at least one steel tube body, the steel tube body is a hollow cylinder and sleeved on the outer circumference of the junction of two adjacent hollow pile bodies of the combined splicing tubular pile, the steel tube body is provided with a plurality of plug welding holes, and the steel tube body is connected with the hollow pile bodies through the plug welding holes in a welding manner. The inner side wall of the steel tube body is connected with the tail part of one pile body in a welding manner and then connected with the head of another pile body in a plug welding manner. The pile for the irrigation works is simple in pile splicing operation, high in carrying capacity and strong in bend resistance; the steel tube body is added on the junction of the two pile bodies, so that the carrying capacity of the pile for the irrigation works can be increased; the steel tube body is provided with the plug welding holes, and the steel tube body is connected with the pile bodies in the plug welding manner, so that convenience in welding is achieved, and time and labor are saved.

The invention relates to a grooved bank protection T-shaped pile. The invention aims to solve a technical problem of providing the grooved bank protection T-shaped pile with simple structure, strong stability and good water-soil stop effects, so as to improve the effect of treating gaps between adjacent pile bodies and reduce the material amount of bank protection retaining walls. The technical proposal for solving the problem is as follows: the grooved bank protection T-shaped pile is characterized in that the pile is in a T shape formed by a first panel and a web plate; the panel and a ribbed slab are in gradual change transition; and two wings of the first panel are provided with grooves. The T-shaped pile can be used for constructing river bank protections, wharf bases and ribbed-structure thin diaphragm wall retaining walls.

The invention relates to a cement-soil mixing pile device and an operation method of the cement-soil mixing pile device. The cement-soil mixing pile device is reconstructed and optimized on the basis of an original cement-soil mixing pile machine and comprises a hold hoop, a blade, a drilling rod, a drilling head, an upper slurry spraying opening, a lower slurry spraying opening, an air control valve, a slurry inlet pipe I, a slurry inlet pipe II and a slurry inlet pipe III, wherein the slurry inlet pipe I, the slurry inlet pipe II and the slurry inlet pipe III are communicated to the lower slurry spraying opening, an inner hole of the drilling rod is directly communicated with the upper slurry spraying opening, a water inlet slurry opening of the air control valve is communicated with the slurry inlet pipe I when the drilling rod drills downwards and is communicated with the lower slurry spraying opening by the slurry inlet pipe II and the slurry inlet pipe III in sequence, the water inlet slurry opening of the air control valve is communicated with the inner hole of the drilling rod when the drilling rod is lifted, and the upper slurry spraying opening is used for spraying slurry. Compared with the prior art, the cement-soil mixing pile device and the operation method of the cement-soil mixing pile device, disclosed by the invention, have the advantages that the mixing is uniform, the mixing efficiency is high, the cost is low, the efficiency is high, the working period is shortened, and the like.

The invention relates to a concreted filled steel tube composite pile and a manufacturing device and method thereof. The concreted filled steel tube composite pile comprises a steel tube, a reinforcing tube, a connection unit and concrete, wherein the steel tube is longer in the vertical direction and is internally vertically through; a hollow hole is formed in the reinforcing tube; the reinforcing tube is arranged inside the steel tube; the connection unit comprises a single board arranged on the lower portion of the steel tube and a lateral board upward from the periphery of the single board and can be connected with other piles; the concrete is poured into the space formed by the inner surface of the steel tube, the outer surface of the reinforcing tube and the inner surface of the connection unit; the lower end of the reinforcing tube is fixed to the single board; an open hole is formed in the position, corresponding to the reinforcing tube, of the single board, so that the open hole and the hollow hole of the reinforcing tube are communicated. The connector portion of the composite pile is stable in structure, the bending resistance is greatly enhanced, the structure is simple, manufacturing is easy, and therefore the manufacturing expense is reduced.

The invention relates to the technical field of building construction, in particular to a piling device for construction site tubular piles. The piling device comprises a fixed frame, and a supportingframe is welded to the top of the fixed frame. By arranging the fixed frame, the supporting frame, a push-pressing structure, a first tubular pile, a limiting structure, a second tubular pile, a clearing structure and a movable structure, the piling device for the construction site tubular piles has the advantages of being capable of clearing the joint of the tubular piles, effectively supportingthe tubular piles, protecting the surfaces of the tubular piles and reducing the wear rate. A worker can connect the tubular piles conveniently, the influence on the building construction progress due to the fact that the tubular piles are not cleared thoroughly is reduced, the tubular piles are kept at the same axis, and the re-piling frequency of the tubular piles is reduced; and meanwhile theproblems that an existing piling device for construction site tubular piles cannot clear the joint of the tubular piles, the tubular piles cannot be effectively supported, and the surfaces of the tubular piles cannot be protected are solved.

The invention belongs to the technical field of constructional engineering, and relates to a method for grouting and wall protection of a soft stratum pile foundation through a steel casing. The method for grouting and wall protection of the soft stratum pile foundation through the steel casing comprises the steps that grouting pipes are arranged on the outer wall of the machined steel casing at equal intervals in the circumferential direction, and a plurality of layers of upper and lower grout overflowing holes are formed in each grouting pipe; after the steel casing provided with the grouting pipes is installed on a hard plastic stratum, grout is pressed and injected into a top grouting opening, the grouting pressure is adjusted according to the thickness of a soft stratum, grout with acertain thickness is pressed and grouted according to the wall of a grouting hole, and the grout flows out of a bottom grout outlet at first and then flows out of all layers of grout overflowing holesin sequence from bottom to top; after grouting is completed, the steel casing is pulled out, the pulling-out process is slowly carried out, the gap of the steel casing is filled with grout in a supplementing manner till the steel casing is completely pulled out, and a grout protection wall with certain strength is formed after the grout at the position of the original steel casing reaches the strength; and then pile foundation construction is conducted according to a conventional pile foundation. The construction cost is reduced, and the working efficiency is improved.

The invention relates to the technical field of support structure construction and discloses a construction method of a pile-column integrated structure. The pile-column integrated structure comprisesa cast-in-place pile formed below a foundation and a steel pipe column, wherein the steel pipe column is connected to the cast-in-place pile and extends to the portion above the foundation. The construction method comprises the following steps of S1, construction of a pile hole, wherein the construction position of the pile-column integrated structure on the foundation is measured, and the pile hole is formed in the foundation in a rotary excavating mode; S2, pouring of the cast-in-place pile, wherein a steel reinforcement cage and a guide pipe are placed into the pile hole, and concrete is pumped and poured into the pile hole through the guide pipe; S3, insertion of a steel pipe, wherein the lower end of the steel pipe is inserted into the cast-in-place pile, and a gap between the steelpipe and the pile hole is subjected to backfilling; S4, installation of the steel reinforcement cage in the steel pipe, wherein the steel reinforcement cage is installed in the steel pipe; S5, pouringof the steel pipe column, wherein after the concrete of the cast-in-place pile initially sets, the concrete is poured into the steel pipe, the steel pipe column is formed after the concrete sets, andthe cast-in-place pile and the steel pipe column form the pile-column integrated structure. The pile-column integrated construction structure constructed by means of the method is stable and firm.

A method of constructing seismic shock absorbing structure which transfers horizontal and vertical forces from the floor to allow buildings to withstand earthquake shocks. In a first embodiment, foundation column is structurally designed and casted in the form of a fin shape below plinth level. In another embodiment, strength of the construction frame is enhanced by structurally designing, casting and slotting in at least one of rhombus shaped beams, diagonal cross beams, corner beams, plus shaped beams, rectangle shaped beams, semi-quarter circular beams in horizontal, vertical and inclined directions at the plinth level, below and above the plinth level. In another embodiment, wall is interlocked with at least one of Reinforced Cement Concrete (RCC), cement composites, steel, iron, metal, concrete, polystyrene, polyurethane, wood, plastic, fired bricks, cardboard and clay blocks. In another embodiment, interlocked wall is reinforced with GI (Galvanized) welded mesh, fiberglass mesh and wire mesh.

The invention relates to a triangular plum-blossom-shaped cement soil mixing pile and a forming method thereof. The plum-blossom-shaped cement soil mixing pile is good in perpendicularity, incline resisting capability and full in full-load bearing capacity. The cement soil mixing pile comprises a cement soil mixing pile, and two end faces and a cement soil mixing pile body are formed by connection of three plum-blossom-shaped petals. The plum-blossom-shaped cement soil mixing pile has the advantages that a pile foundation distributed in multiple angles is large in bearing capacity, bearing and supporting points are triangularly distributed, and the pile foundation is good in stability; when the pile foundation formed by the plum-blossom-shaped petals is positioned in a soft soil foundation, a plurality of plum-blossom-shaped petals identical in inclined angles act on a wall of the soft soil foundation like three projected ejection posts, so that the cement soil pile is ensured not to incline but perpendicularly stand in the soft soil foundation; due to the fact that a multiple-axis drilling rod sinks along a guiding frame, stirs and sprays cement paste at the same time, and the sinking direction and the stirring direction are opposite, so that the cement paste and soil can be fully mixed integrally, and high strength of the cement soil pile is ensured.

The invention discloses an umbrella-shaped anti-floating anchor rod device. The umbrella-shaped anti-floating anchor rod device comprises an umbrella-shaped anchor sleeve, an outer cylinder and an anchor rod; the umbrella-shaped anchor sleeve sleeves the outer side of the anchor rod; the outer cylinder is located on the periphery of the anchor rod; the umbrella-shaped anchor sleeve is of a telescopic structure, when the umbrella-shaped anchor sleeve is in a contraction state, the umbrella-shaped anchor sleeve is positioned on the inner side of the outer cylinder, and when the umbrella-shaped anchor sleeve is in a stretching state, the umbrella-shaped anchor sleeve extends out of an anchor hole. The defect that in the prior art, the anchoring effect of an anchor rod system is suddenly reduced and even fails when the anchor rod system loosens along with the change of a stratum is overcome; the umbrella-shaped anti-floating anchor rod device has the advantages that the stress condition between the anchor rod system and the stratum is changed, the anchor rod system and an existing stratum are connected into a whole, and the anti-pulling effect is enhanced. The invention further discloses a using method of the umbrella-shaped anti-floating anchor rod device.

The invention discloses a construction method based on a box-drum-type pile stabilizing platform. The construction method comprises the following steps that sequentially, the pile stabilizing platformassembled by a box drum, a steel pipe, a fixed truss and a moving truss is dragged to a construction site, synchronous and identical-speed air pumping is conducted on the box drum for fixing the pilestabilizing platform, the moving truss is lifted upwards to above the surface of the water and then fixed, a piling frame and a pile holding device are mounted on the moving truss, and a steel pipe pile with the large diameter is hoisted into the pile holding device; and an ejecting device on the pile holding device is used to adjust the perpendicularity, the steel pipe pile with the large diameter enters into the stable state after sinking into mud, pile sinking is conducted to the design elevation position, the pile stabilizing platform is moved, and the processes are repeated until the construction is completed. The construction method based on the box-drum-type pile stabilizing platform is simple in operation, the pile stabilizing platform adopted in the construction process is simplein structure, the horizontal carrying capacity and construction efficiency of the box-drum-type pile stabilizing platform are greatly improved, the construction quality of the steel pipe pile with the large diameter can be further ensured effectively, and the construction method is suitable for the construction of the steel pipe pile with the large diameter under different water depth and geological conditions.

The invention discloses a building workshop pile foundation and a building workshop piling technology applying the pile foundation, and relates to the technical field of pile foundation construction.The problem that an existing pile foundation is low in bearing capacity is solved. According to the technical scheme, the pile foundation comprises a pile body, a pile tip and a connecting pipe, a connecting hole is formed in the bottom of the connecting pipe, a dispersing hole is formed in the bottom of the connecting hole, an annular groove is formed in the bottom of the dispersing hole, and a plurality of air holes are formed in the bottom of the annular groove. The piling technology comprises the steps of a, a pile position is determined; b, the ground is cleaned; c, a pile machine is in place; d, a pile is stabilized and piling is conducted; e, high-pressure gas is used for loosening soil; and f, grouting of cement slurry is conducted. The high-pressure gas is sprayed out from the airholes in the periphery of the pile foundation to loosen the soil near the bottom of the pile foundation, and slurry is conveyed into gaps of the soil near the bottom of the pile foundation through the air holes, so that after the cement slurry is solidified, the contact area between the bottom of the pile foundation and the bottom of a foundation is increased, and the bearing capacity of the pilefoundation is improved.

The invention discloses a one-column and one-pile construction method adopting a hydraulic verticality-adjusting frame reversing building method, and belongs to the technical field of building engineering. The problems that an existing construction method needs to consume excessive manpower and material resources and meanwhile is large in operation difficulty are solved. The one-column and one-pile construction method is technically characterized by comprising the following steps that full field hardening is conducted, and a field needs to be fully hardened before construction, specifically, 300-thickness brick slag is leveled and tamped, then a 200-thickness C30 concrete face layer is poured and internally provided HRB335-grade phi 12 deformed steel bars with the single-layer bidirectional spacing being 200 mm; and setting-out is conducted for embedding a pile casing, drilling and first-time hole flushing are conducted, and a reinforcement cage is machined and mounted. The one-columnand one-pile construction method adopts a simple hydraulic verticality-adjusting frame method verticality-adjusting system, the construction process is easy and rapid to operate, and the quality, safety and progress requirements in the construction process are guaranteed.

The invention discloses a construction method and equipment of circular bored socketed piles. The construction method sequentially comprises the steps of installing a steel casing, forming drilling holes with circular cross sections by adopting a plurality of down-the-hole hammers which are continuously distributed in a circular shape in a circumferential direction to drill, installing steel pipepiles along the inner wall of the steel casing, filling concrete layers in gaps of the inner and outer sides between the steel pipe piles and the drilling holes with the circular cross sections and pulling the steel casing during filling. The equipment comprises steel trusses, a circular chassis, a plurality of drill pipes and a plurality of down-the-hole hammers, wherein the steel trusses are connected in sequence from top to bottom, the plurality of drill pipes are vertically arranged below the circular chassis in the circumferential direction, the plurality of down-the-hole hammers are installed on the bottom ends of the drill pipes in a one-to-one corresponding mode, the adjacent down-the-hole hammers are staggered up and down, and the projection parts of drills on the same horizontalplane are superposed. According to the construction method and the corresponding equipment, the circular cross sections into which socketed piles can be inserted are formed by adopting the down-the-hole hammers to drill, the construction cost of large-diameter socketed piles is reduced, the drilling efficiency is high, the hole forming quality is good, and the drilling efficiency of hard rocks isobviously improved.

An impact wrench includes a housing, a rotation motor, an output shaft, and an impact mechanism including an inertia drive member with an impact chamber, a drive socket coupling the drive member to the motor, and anvil formed integral with an output shaft and extending into the impact chamber, and a coupling member arranged to transfer kinetic energy from the drive member to the anvil, a lubricant provided in the impact chamber, and barrier forming cover element mounted on the drive member to seal off the impact chamber and prevent lubricant from being expelled from the impact chamber at rotation of the drive member.