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Rotary excavating cast-in-situ bored pile and construction technology thereof
The invention relates to the field of cast-in-place pile construction, and particularly discloses a rotary excavating cast-in-place bored pile and a construction technology thereof. The construction technology of the rotary excavating cast-in-situ bored pile comprises the steps that (1), a pile casing is buried at the construction position; (2), rotary drilling is conducted through a slurry retaining wall, and a pile hole is formed; (3), the pile hole is cleaned; (4), a reinforcing pipe is placed in the pile hole and sinks into a reinforcement cage, the reinforcing pipe is made of a glass fiber mesh, and the outer diameter of the reinforcing pipe is 99.5%-99.8% of the inner diameter of the pile hole; (5), a grouting pipe is installed, and a concrete mixing material is injected into the pile hole till the concrete mixing material is flush with the top of the pile hole; (6), the pile casing and the grouting pipe are detached; and (7), the concrete mixing material is injected into the pile hole again till the concrete mixing material is flush with the top of the pile hole, and the rotary excavating cast-in-situ bored pile is obtained through maintenance. The rotary excavating cast-in-situ bored pile is manufactured through the construction technology of the rotary excavating cast-in-situ bored pile. The construction technology has the advantage of reducing material waste, and the rotary excavating cast-in-situ bored pile has the advantages of saving energy and being environmentally friendly.
本发明涉及灌注桩施工领域，具体公开了一种旋挖钻孔灌注桩及其施工工艺。旋挖钻孔灌注桩的施工工艺，包括：步骤1），在施工处埋设护筒；步骤2），通过泥浆护壁进行旋挖钻孔，形成桩孔；步骤3），对桩孔进行清孔；步骤4），桩孔内放入补强管并沉入钢筋笼，补强管由玻璃纤维网制成，补强管的外径为桩孔内径的99.5‑99.8%；步骤5），安装注浆管并在桩孔内注入混凝土拌和料至与桩孔顶部平齐；步骤6），拆卸护筒与注浆管；步骤7），再次向桩孔内注入混凝土拌和料至与桩孔顶部平齐，养护得旋挖钻孔灌注桩。旋挖钻孔灌注桩，由旋挖钻孔灌注桩的施工工艺制成。本发明的施工工艺具有减少材料的浪费的优点，本发明的旋挖钻孔灌注桩具有节能环保的优点。
Rotary excavating cast-in-situ bored pile and construction technology thereof
The invention relates to the field of cast-in-place pile construction, and particularly discloses a rotary excavating cast-in-place bored pile and a construction technology thereof. The construction technology of the rotary excavating cast-in-situ bored pile comprises the steps that (1), a pile casing is buried at the construction position; (2), rotary drilling is conducted through a slurry retaining wall, and a pile hole is formed; (3), the pile hole is cleaned; (4), a reinforcing pipe is placed in the pile hole and sinks into a reinforcement cage, the reinforcing pipe is made of a glass fiber mesh, and the outer diameter of the reinforcing pipe is 99.5%-99.8% of the inner diameter of the pile hole; (5), a grouting pipe is installed, and a concrete mixing material is injected into the pile hole till the concrete mixing material is flush with the top of the pile hole; (6), the pile casing and the grouting pipe are detached; and (7), the concrete mixing material is injected into the pile hole again till the concrete mixing material is flush with the top of the pile hole, and the rotary excavating cast-in-situ bored pile is obtained through maintenance. The rotary excavating cast-in-situ bored pile is manufactured through the construction technology of the rotary excavating cast-in-situ bored pile. The construction technology has the advantage of reducing material waste, and the rotary excavating cast-in-situ bored pile has the advantages of saving energy and being environmentally friendly.
本发明涉及灌注桩施工领域，具体公开了一种旋挖钻孔灌注桩及其施工工艺。旋挖钻孔灌注桩的施工工艺，包括：步骤1），在施工处埋设护筒；步骤2），通过泥浆护壁进行旋挖钻孔，形成桩孔；步骤3），对桩孔进行清孔；步骤4），桩孔内放入补强管并沉入钢筋笼，补强管由玻璃纤维网制成，补强管的外径为桩孔内径的99.5‑99.8%；步骤5），安装注浆管并在桩孔内注入混凝土拌和料至与桩孔顶部平齐；步骤6），拆卸护筒与注浆管；步骤7），再次向桩孔内注入混凝土拌和料至与桩孔顶部平齐，养护得旋挖钻孔灌注桩。旋挖钻孔灌注桩，由旋挖钻孔灌注桩的施工工艺制成。本发明的施工工艺具有减少材料的浪费的优点，本发明的旋挖钻孔灌注桩具有节能环保的优点。
Rotary excavating cast-in-situ bored pile and construction technology thereof
一种旋挖钻孔灌注桩及其施工工艺
WANG JIA (author) / MENG FANDONG (author) / MENG BIN (author) / CHEN JIANSONG (author)
2021-11-19
Patent
Electronic Resource
Chinese
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