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A platform for research: civil engineering, architecture and urbanism
Precast concrete core pile and pile tip reaming and pile planting construction method thereof
The invention discloses a precast concrete core pile and a pile tip reaming and pile planting construction method thereof. The precast concrete core pile comprises a pile tip, a precast pile and filler. The pile tip is of a conical structure; the precast pile is installed on the end face of the large-diameter end of the pile tip, the length direction of the precast pile is consistent with the center line direction of the pile tip, and the outer diameter of the precast pile is smaller than the maximum outer diameter of the pile tip. The pile tip and the precast pile are both sunk in foundation soil, a pile tip reamed hole is formed in the sinking process of the pile tip, an annular cavity is formed between the outer wall face of the precast pile and the hole wall of the pile tip reamed hole, the annular cavity is filled with the filler in a grouting or filling mode, the filler forms a cylindrical structure after being solidified and wraps the outer wall face of the precast pile, and the outer wall face of the precast pile is covered with the cylindrical structure. And the outer diameter of the filler is equal to the maximum outer diameter of the pile tip. The difficulty degree of pile sinking can be reduced, and the construction cost is reduced.
本发明公开了一种预制混凝土芯桩及其桩尖扩孔植桩施工方法，所述预制混凝土芯桩包括：桩尖、预制桩和填充料；所述桩尖为锥状结构；所述预制桩安装在桩尖的大径端端面，预制桩的长度方向与桩尖的中心线方向一致，且预制桩的外径小于桩尖的最大外径；所述桩尖和预制桩均下沉在地基土中，桩尖的下沉过程形成桩尖扩孔，预制桩的外壁面与桩尖扩孔的孔壁之间形成环形空腔，所述填充料采用注浆或填料的方式填充在所述环形空腔中，填充料固化后形成筒状结构，包覆在预制桩外壁面，填充料的外径与桩尖的最大外径相等。本发明能够减小沉桩的困难程度，减少了工程造价。
Precast concrete core pile and pile tip reaming and pile planting construction method thereof
The invention discloses a precast concrete core pile and a pile tip reaming and pile planting construction method thereof. The precast concrete core pile comprises a pile tip, a precast pile and filler. The pile tip is of a conical structure; the precast pile is installed on the end face of the large-diameter end of the pile tip, the length direction of the precast pile is consistent with the center line direction of the pile tip, and the outer diameter of the precast pile is smaller than the maximum outer diameter of the pile tip. The pile tip and the precast pile are both sunk in foundation soil, a pile tip reamed hole is formed in the sinking process of the pile tip, an annular cavity is formed between the outer wall face of the precast pile and the hole wall of the pile tip reamed hole, the annular cavity is filled with the filler in a grouting or filling mode, the filler forms a cylindrical structure after being solidified and wraps the outer wall face of the precast pile, and the outer wall face of the precast pile is covered with the cylindrical structure. And the outer diameter of the filler is equal to the maximum outer diameter of the pile tip. The difficulty degree of pile sinking can be reduced, and the construction cost is reduced.
本发明公开了一种预制混凝土芯桩及其桩尖扩孔植桩施工方法，所述预制混凝土芯桩包括：桩尖、预制桩和填充料；所述桩尖为锥状结构；所述预制桩安装在桩尖的大径端端面，预制桩的长度方向与桩尖的中心线方向一致，且预制桩的外径小于桩尖的最大外径；所述桩尖和预制桩均下沉在地基土中，桩尖的下沉过程形成桩尖扩孔，预制桩的外壁面与桩尖扩孔的孔壁之间形成环形空腔，所述填充料采用注浆或填料的方式填充在所述环形空腔中，填充料固化后形成筒状结构，包覆在预制桩外壁面，填充料的外径与桩尖的最大外径相等。本发明能够减小沉桩的困难程度，减少了工程造价。
Precast concrete core pile and pile tip reaming and pile planting construction method thereof
一种预制混凝土芯桩及其桩尖扩孔植桩施工方法
LI KEYI (author) / ZHOU WEI (author) / NAN SHUAI (author) / JIA PENG (author) / ZHANG YUANYUAN (author) / XU FAN (author) / ZENG YAOGUANG (author) / DENG PAN (author) / PU JUN (author) / LIU DAFU (author)
2023-01-24
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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