A construction method for inclined pile anchor rock

Abstract

The invention discloses a construction method for the rock embedding of an inclined pile. The method comprises the following steps of (1) in-place arrangement of a drilling machine; (2) hole forming in a steel pipe pile; (3) hole cleaning in the steel pipe pile; (4) mounting of a guide frame; (5) sealing of a base of the guide frame; (6) forming of an anchor hole; (7) cleaning of the anchor hole; (8) placement of anchorage cables; (9) grouting of the anchor hole; (10) disassembling of the guide frame; (11) placement of a conduit; (12) underwater concrete pouring. The method has the advantages that (1) a construction process is simple and short in construction period, and influence on the construction period of the whole wharf pile foundation project is slight; (2) the construction cost is low, namely equipment used for the construction process is relatively undiversified, and materials for the construction process are low in cost, so that the comprehensive cost is low; (3) a constructed wharf pile foundation is reliable in quality, namely the uplift resistance and sliding resistance indexes of the wharf pile foundation are enabled to meet requirements, and meanwhile, the construction period is shortened, and the construction efficiency is improved.

Description

technical field [0001] The present invention relates to the technical field of pile foundation construction in port construction engineering, in particular to a construction method for inclined pile anchor rocks, specifically constructing anchor rock piles in wharf steel pipe piles so as to meet the pull-out resistance and anti-skid indexes of wharf pile foundations a construction method. Background technique [0002] In traditional high-piled wharf construction, prefabricated inclined piles are often used for foundation construction. The friction load of the piles must meet the various bearing capacity requirements of the wharf; if the thickness of the Quaternary soil layer cannot meet the requirements, the pile ends must be embedded in the moderately weathered bedrock Only after a certain depth can the anti-pull and anti-skid requirements of the pile be met, which greatly increases the construction quantity and construction cost. [0003] In recent years, the difficulty e...

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Problems solved by technology

[0002] In traditional high-piled wharf construction, prefabricated inclined piles are often used for foundation construction. The friction load of the piles must meet the various bearing capacity requirements of the wharf; if the thickness of the Quaternary soil layer cannot meet the requirements, the pile ends must be embedded in the moderately weathered bedrock Only after a certain depth can the pile's anti-pullout and anti-skid requirements be met, which greatly increases the amount of construction work and construction cost

[0003] In recent years, the difficulty encountered in the process of building wharves in the coastal areas of Zhejiang is that the prefabricated inclined piles cannot enter the medium and slightly weathered bedrock, and if the bored piles are used, they cannot be directly formed into inclined piles, so the uplift resistance required by the design of the wharf foundation cannot be achieved. Force and anti-skid force

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