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Quick entering-rock hole-forming construction method of manual hole digging pile

An artificial hole-digging pile and construction method technology, which is applied to sheet pile walls, earthwork drilling, infrastructure engineering, etc., can solve the problems of heavy dust in the working environment of workers, slow construction progress, quality defects, etc. Control, construction pollution is small, the effect of improving efficiency

Inactive Publication Date: 2018-12-07
SHANGHAI ERSHIYE CONSTR CO LTD +1
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, the manual excavation piles under the rock foundation mainly adopt the construction plan of pneumatic pick crushing, static blasting, pneumatic pick crushing + static blasting, the working environment of workers is dusty, the construction progress is slow, and there are certain quality defects and safety defects. Hidden danger

Method used

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  • Quick entering-rock hole-forming construction method of manual hole digging pile
  • Quick entering-rock hole-forming construction method of manual hole digging pile
  • Quick entering-rock hole-forming construction method of manual hole digging pile

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Embodiment Construction

[0018] The present invention is further illustrated below by specific examples.

[0019] Such as figure 1 , figure 2 with image 3 as shown,

[0020] A kind of construction method of rapidly entering rock into holes for manual excavation piles, comprising

[0021] Step 1. Set up the support: The construction support is erected by ordinary steel pipe scaffolding, which is used as the support for the machinery in the slag discharge and hoisting holes during the construction process. After the support is erected, fix the drilling core machine on the support and turn on the power. Debug to normal working state;

[0022] Step 2. Drill holes around the pile hole to form an isolation trench; after all the preparations are completed, arrange the drilling rig to take the core, and arrange the drill to take the core around the marked pile hole inner wall Points, the number of coring points = pile hole circumference / core bit diameter;

[0023] Step 3. Drill the rock around the p...

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Abstract

The invention relates to the field of building construction, in particular to a quick entering-rock hole-forming construction method of a manual hole digging pile. The quick entering-rock hole-formingconstruction method is characterized by comprising the steps that a support is erected; core-taking points of a drilling machine are placed; rocks around a pile hole are drilled; holes are formed inrock core of the pile hole and rocks are removed by hydraulic expansion; holes are drilled in the two flaps broken pile cores, a hydraulic splitting splitter is inserted, the pile cores are broken, the steps are repeated 2-3 times, and the pile cores are decomposed into small pieces which can be carried and transported to a designated slag site; and the steps are repeated until the holes are drilled to the depth of the designed pile hole. The construction method has no vibration, no impact, no dust and little noise in the whole construction process, has the characteristics of high constructionspeed, controllable hole-forming quality and small construction pollution, and well solves the construction problem of pile holes of the manual hole digging pile under a rock foundation.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a construction method for rapidly entering rocks and forming holes for manual hole-digging piles. Background technique [0002] Cast-in-situ piles are currently dominated by mechanical hole-forming, but due to the limitations of construction technology, site conditions, engineering geology and pile cross-sections, especially large-diameter round piles and rectangular piles under rocky foundations in mountainous areas, manual hole-dug piles are still widely used. used in engineering practice. [0003] The construction of the pile hole of the pile into the rock is a key link in the construction of the artificially dug holed cast-in-situ pile, and it has a decisive influence on the construction progress, quality and cost of the artificially dug holed cast-in-situ pile. At present, the manual excavation piles under the rock foundation mainly adopt the construction plan of pneuma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B25/10E21B25/00E02D5/34
CPCE02D5/34E21B25/005E21B25/10
Inventor 吴仕飞王兴康段小军徐明邓杨
Owner SHANGHAI ERSHIYE CONSTR CO LTD
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