Construction process of manual hole-digging cast-in-place pile in weak-weathered rock or medium-weathered rock stratum area

A technology of artificial digging piles and construction technology, applied in sheet pile walls, infrastructure engineering, construction, etc., can solve problems such as affecting the safety of surrounding buildings and neighbors' claims disputes, reducing the impact of shock waves, improving tunneling speed, and saving energy. the effect of consumption

Inactive Publication Date: 2019-03-15
JIANGSU NANTONG SANJIAN CONSTRUCTION GROUP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has mature operation technology, fast blasting speed and high work efficiency, but the shock wave generated by the blasting will affect the safety of surrounding buildings, and even cause neighbors to claim disputes, etc.

Method used

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  • Construction process of manual hole-digging cast-in-place pile in weak-weathered rock or medium-weathered rock stratum area
  • Construction process of manual hole-digging cast-in-place pile in weak-weathered rock or medium-weathered rock stratum area
  • Construction process of manual hole-digging cast-in-place pile in weak-weathered rock or medium-weathered rock stratum area

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Experimental program
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Embodiment Construction

[0031] Such as Figure 1-7 As shown, the construction technology of artificially dug holes in the weakly weathered rock or medium weathered rock formation includes the following steps:

[0032] S1: Use the GPS total station 1 and the GPC total station measuring rod 2 to form a measuring equipment system, and determine the centerline 3 of the manual excavation pile;

[0033] S2: At the position of the wellhead 4 of the manual digging pile, bind the reinforcement skeleton 5 of the well ring with the reserved reinforcement head 6 of the retaining wall of the manual digging pile, and support the well ring template 7;

[0034] S3: After dismantling the cast-in-place concrete well circle template 7, a complete reinforced concrete well circle 8 is formed, and a lifting frame 9, a blower 10, and an air duct 11 are installed at the well circle and connected to manual digging piles for soil excavation or rock drilling work surface; manual excavation of the earthwork in the well circle ...

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Abstract

The invention discloses a construction process of a manual hole-digging cast-in-place pile in weak-weathered rock or a medium-weathered rock stratum area. According to the construction method, a method for drilling and cutting a rock stratum by using a water mill is adopted in the weak-weathered rock or the medium-weathered rock stratum, so that the problem that the surrounding environment and theoperation progress are limited is successfully solved, the tunneling requirement of the manual hole-digging pile is met, the influence of shock waves generated by blasting the rock is eliminated or reduced, moreover, the tunneling speed of the manual hole-digging pile is increased, and the labor consumption is saved.

Description

technical field [0001] The invention relates to a construction technology of artificially excavating cast-in-place piles in weakly weathered rock or moderately weathered rock formations by using drilling to cut rock formations. The excavation pile is carried out the head-to-tail connection circular drilling ring cutting shock wave conduction manual excavation pile construction technology. Background technique [0002] Under the general situation of energy saving and emission reduction pioneered by the world, a revolution of green buildings has been set off in the construction field, which is characterized by four aspects (energy saving, water saving, material saving, and land saving) and environmental protection. The majority of builders pay attention to intensive land use and make full use of the abandoned building land when planning construction. Therefore, it is particularly important to protect existing buildings during the construction process. [0003] When excavation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/36E02D15/04
CPCE02D5/36E02D15/04
Inventor 黄建逵陆曹平孟俭杰杨超
Owner JIANGSU NANTONG SANJIAN CONSTRUCTION GROUP CO LTD
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