Anchor cable construction method for intelligently detecting hole expanding aperture

A technology of intelligent detection and construction method, which is applied in the direction of foundation structure engineering, foundation structure test, sheet pile wall, etc., which can solve the problems of poor detection accuracy of reaming aperture and affecting the precise construction of anchoring engineering, etc.

Pending Publication Date: 2021-10-22
SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an anchor cable construction method for intelligently detecting the diameter of the reaming hole, aiming at solvi

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  • Anchor cable construction method for intelligently detecting hole expanding aperture
  • Anchor cable construction method for intelligently detecting hole expanding aperture
  • Anchor cable construction method for intelligently detecting hole expanding aperture

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] see figure 1 , an anchor cable construction method for intelligently detecting the diameter of the reaming hole, including the following construction steps:

[0044] 1) Measurement and positioning, determine the hole position of the anchor cable according to the designed anchor rod (cable) elevation and plane position, mark a striking mark, install the drilling rig according to the mark to make it in place, align the drill pipe 1 of the drilling rig wit...

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Abstract

The invention relates to the technical field of foundation and foundation engineering, and discloses an anchor cable construction method for intelligently detecting the hole expanding aperture. The method comprises the following steps that 1), the anchor cable hole position is measured and determined, a striking mark is marked, and a drilling machine is installed by contrasting the mark; 2), after the drilling machine is positioned and the angle is adjusted, drilling is carried out for hole forming, and high-pressure air is used for completely removing rock powder and water in a hole out of the hole; 3), a hole expanding drill bit is replaced, water is added for hole expanding, and after hole expanding is completed, water is injected for hole washing two to three times; 4), after hole washing is completed, a cable of an ultrasonic aperture probe penetrates out through a drill rod to be connected with background measuring and reading equipment, real-time aperture detection is carried out on hole expanding through ultrasonic waves, and hole repairing and hole washing are synchronously carried out; 5), after hole washing is completed, cement paste is injected into the hole through a grouting pipe, the grouting pipe is pulled out while grouting is carried out, and after the hole is filled with the cement paste, an anchor rod (cable) body is placed in time; and 6), an anchor head pedestal is manufactured for tensioning of an anchor rod (an anchor cable). The process is simple, construction is convenient and efficient, and quality is controllable.

Description

technical field [0001] The invention relates to the technical field of foundation and foundation engineering, in particular to an anchor cable construction method for intelligently detecting the diameter of a reaming hole. Background technique [0002] Compared with traditional anchors (cables), the enlarged head bolts (cables) have higher bearing capacity, less deformation and high reliability. Therefore, they have been widely used in foundation pit support. Wider range of applications. The idea of ​​the expansion head bolt (cable) technology comes from the expansion head pile. First, the general drill pipe is used to drill the hole. After reaching the design depth, the end of the drill pipe is changed to a reaming drill bit, and the reaming blade is gradually expanded under pressure. Open to form a reamed hole. [0003] The diameter and length of the reaming section are difficult to detect in the construction of mechanical reaming to expand the anchor rod (cable), and it...

Claims

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Application Information

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IPC IPC(8): E02D5/74E02D33/00
CPCE02D5/74E02D33/00E02D2250/003E02D2600/30
Inventor 严树房江锋罗辉翔张家明王伟杰
Owner SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD
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