Construction method of rotary excavating pile in boulder inner end hole
A construction method and technology of rotary excavation piles, which are applied in drilling equipment and methods, sheet pile walls, earthwork drilling, etc., can solve the problem that rotary excavation piles are difficult to reach stable rock formations.
Pending Publication Date: 2022-07-29
THE SECOND CONSTR ENG CO LTD CCSEB
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[0003] The main purpose of the present invention is to propose a construction method for the final hole of the rotary excavation pile in the boulder, aiming to solve the problem that the rotary excavation pile is difficult to reach the stable rock formation for the final hole when there are a large number of large-sized boulders in the construction site
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[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0035] It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.
[0036] In addition, if there are descriptions involving "first", ...
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The invention discloses a construction method of a rotary excavating pile in a boulder inner end hole. The construction method comprises the following steps that the horizontal projection area of a boulder is obtained according to the single-pile bearing capacity characteristic value of the rotary excavating pile and the pile end bearing capacity characteristic value of the rotary excavating pile; the depth of the rotary excavating pile entering the boulder is obtained according to the horizontal projection area of the boulder; and the rotary excavating pile is drilled in the boulder. According to the technical scheme, hole finishing is carried out in the boulder under the condition that the rotary excavating pile meets the bearing capacity requirement, a large amount of boulder drilling is not needed, input of manpower and material resources is saved, and the project construction cost is reduced.
Description
technical field [0001] The invention relates to the technical field of construction, in particular to a construction method for a final hole of a rotary excavation pile in a boulder. Background technique [0002] The application of rotary excavation piles is very common in engineering. Generally, the bearing layer of the pile end of rotary excavation piles is in stable moderately weathered and slightly weathered rock layers. However, when there are a large number of large-sized boulders in the construction site, the rotary excavation piles are difficult to reach. Stabilize the rock formation for the final hole. In order to stabilize the final hole of the rock formation, the rotary excavation pile needs to drill through a large amount of boulders, which greatly increases the amount of diamond engineering. Due to the low efficiency and difficulty of diamonds, a large amount of engineering cost increases and construction period is prolonged. SUMMARY OF THE INVENTION [0003]...
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Login to View More IPC IPC(8): E02D5/34E02D5/68E02D15/04E21B3/00
CPCE02D5/34E02D5/68E02D15/04E21B3/00
Inventor 柴达魏利新林振德李鹏程罗永兴
Owner THE SECOND CONSTR ENG CO LTD CCSEB