Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Prestressed structure construction method
The invention relates to a prestressed structure construction method which comprises the following steps: leveling the ground of a site so that the characteristic value of the bearing capacity of surface soil meets the requirement of stable work of a piling machine; static pile pressing is conducted through a pile machine, the pressed piles are PHC series prestressed concrete pipe piles, the construction progress of pile pressing is controlled, and the pile pressing sequence principle that the pile pressing is conducted firstly deep and then shallow, the pile pressing is conducted firstly in the middle and then on the periphery, and the pile pressing is conducted firstly on the main building and then on the podium building is followed; after pile sinking is completely completed, foundation pit excavation is conducted in a layered mode, and the height difference should not exceed 1 m; according to the relation between the actual construction height and the design height of each prestressed concrete pipe pile, the connecting structure of each prestressed concrete pipe pile and the bearing platform is determined, and corresponding operation procedures are carried out; accumulated water is drained, virtual soil and construction waste are removed, and cohesive soil, lime soil or plain concrete is adopted for layered tamping for filling. The construction method has the beneficial effects that under the geological condition, the structure constructed through the method serves as a foundation and can have enough bearing capacity, and therefore it is guaranteed that the complex can be smoothly constructed.
本发明涉及一种预应力结构施工方法，对场地地面进行平整，以让表层土承载力特征值满足桩机稳定工作的要求；采用桩机进行静力压桩，所压桩为PHC系列预应力混凝土管桩，并控制压桩的施工进度，且遵循先深后浅，先中间后外围、先主楼后裙楼的压桩顺序原则；在沉桩全部完成后分层进行基坑开挖，高差不应超过1m；依据每根预应力混凝土管桩的实际施工高度与设计高度的关系，确定每根预应力混凝土管桩与承台的连接构造，并分别开展对应作业程序；排除积水，清除虚土和建筑垃圾，填土采用黏性土、灰土或素混凝土分层夯实。有益效果为：在该地质条件下以该方法所施工的结构作为地基基础可以具备足够的承载力，从而确保该综合体可以顺利施工。
Prestressed structure construction method
The invention relates to a prestressed structure construction method which comprises the following steps: leveling the ground of a site so that the characteristic value of the bearing capacity of surface soil meets the requirement of stable work of a piling machine; static pile pressing is conducted through a pile machine, the pressed piles are PHC series prestressed concrete pipe piles, the construction progress of pile pressing is controlled, and the pile pressing sequence principle that the pile pressing is conducted firstly deep and then shallow, the pile pressing is conducted firstly in the middle and then on the periphery, and the pile pressing is conducted firstly on the main building and then on the podium building is followed; after pile sinking is completely completed, foundation pit excavation is conducted in a layered mode, and the height difference should not exceed 1 m; according to the relation between the actual construction height and the design height of each prestressed concrete pipe pile, the connecting structure of each prestressed concrete pipe pile and the bearing platform is determined, and corresponding operation procedures are carried out; accumulated water is drained, virtual soil and construction waste are removed, and cohesive soil, lime soil or plain concrete is adopted for layered tamping for filling. The construction method has the beneficial effects that under the geological condition, the structure constructed through the method serves as a foundation and can have enough bearing capacity, and therefore it is guaranteed that the complex can be smoothly constructed.
本发明涉及一种预应力结构施工方法，对场地地面进行平整，以让表层土承载力特征值满足桩机稳定工作的要求；采用桩机进行静力压桩，所压桩为PHC系列预应力混凝土管桩，并控制压桩的施工进度，且遵循先深后浅，先中间后外围、先主楼后裙楼的压桩顺序原则；在沉桩全部完成后分层进行基坑开挖，高差不应超过1m；依据每根预应力混凝土管桩的实际施工高度与设计高度的关系，确定每根预应力混凝土管桩与承台的连接构造，并分别开展对应作业程序；排除积水，清除虚土和建筑垃圾，填土采用黏性土、灰土或素混凝土分层夯实。有益效果为：在该地质条件下以该方法所施工的结构作为地基基础可以具备足够的承载力，从而确保该综合体可以顺利施工。
Prestressed structure construction method
一种预应力结构施工方法
WANG HAI (Autor:in) / ZHANG BIAO (Autor:in) / MI MINGJIE (Autor:in) / XIONG ZI (Autor:in) / WANG SIHAO (Autor:in) / YUAN HANG (Autor:in) / FANG XIAOYU (Autor:in)
22.11.2024
Patent
Elektronische Ressource
Chinesisch
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