Use method of grouting body-expanding reinforced anchor rod

A reinforced and reaming anchor technology, which is applied in excavation, construction, infrastructure engineering, etc., can solve the problems of complex construction process, large amount of steel consumption, and increased cost, so as to simplify the construction process, improve the use efficiency, and improve the overall The effect of reinforcement

Pending Publication Date: 2022-08-09
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The construction process of ordinary bolt support technology is relatively complicated,

Method used

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  • Use method of grouting body-expanding reinforced anchor rod
  • Use method of grouting body-expanding reinforced anchor rod
  • Use method of grouting body-expanding reinforced anchor rod

Examples

Experimental program
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Effect test

Embodiment 1

[0038] A method for using a grouting expanded body reinforced anchor rod, comprising the following steps:

[0039] Step 1. Determine the position and elevation of the hole

[0040] A1. According to the construction drawings, pre-position the foundation for the hole position, mark the starting height, measure the soil quality at the starting position, select the strength of the guide cap at the bottom of the anchor rod to be greater than the soil strength, and complete the foundation excavation construction at the hole-forming place first. , so that the excavator cannot enter the construction area after the bolt construction;

[0041] A floor cushion is laid at the opening, and the bolt pile driver 1 is installed on the floor cushion, and the floor cushion is used to prevent the bolt pile driver 1 from disturbing the foundation;

[0042] A2. Prepare cement, steel bars, waterproof and anti-corrosion materials, pressure grouting machine equipment according to the construction drawi

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Abstract

The invention discloses a using method of a grouting body-expanding reinforced anchor rod. The using method of the grouting body-expanding reinforced anchor rod comprises the steps that a center shaft and a top liquid pump are included, a main anchor rod and a hole-expanding anchor rod are conveyed to an anchor rod pile machine, the top liquid pump is installed on the anchor rod pile machine, and an input pipe and an output pipe are installed inside and outside the center shaft for liquid exchange; the device operation center is arranged at the bottom to achieve the control effect, the bent framework and the sealing film support the reaming teeth to achieve expansion of the reaming teeth through liquid pressurization, and the closed telescopic connection effect is achieved on the fixing frame and the center shaft. In the rock-soil body supporting and reinforcing engineering construction process, the using method of the grouting expansion reinforced anchor rod can effectively improve the using efficiency of a single anchor rod, simplify the construction procedure and improve the overall reinforcing capacity, and is safe, reliable, convenient to operate and high in practicability.

Description

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Claims

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Application Information

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Owner CHINA MCC17 GRP
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