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A platform for research: civil engineering, architecture and urbanism
Method for assembling composite supporting cushion of open caisson steel shell
The invention discloses an open caisson steel shell assembling composite supporting pad method, and relates to the technical field of bridge anchorage open caisson foundation construction, and the technical key points are as follows: firstly, determining the positions of joints between steel shell block segments according to steel shell blocks, transversely arranging two sleepers on the ground corresponding to the two sides of each joint according to the interval of 1.0 m, and connecting the two sleepers with each other; filling soil in the middle of the sleeper under the steel shell block section and tamping, and not filling soil in the middle of the sleeper under the block section joint; the sleepers are controlled to be flush with the top surface of the filled soil when the sleepers are placed and the filled soil is filled, the elevation error does not exceed +/-2mm, and the flatness does not exceed 2mm; when the steel shell is installed, sleepers and filled soil are protected against disturbance and damage; after the steel shell is installed, the ground below the sleeper is excavated through the space below the block section connector, the sleeper is pulled out, and then the space below the connector is filled and tamped. According to the composite supporting pad method for assembling the open caisson steel shell, the pressure of the sleepers can be reduced, the number of the sleepers can be reduced, and uneven stress of the steel shell during sleeper pulling can be reduced.
本发明公开了一种沉井钢壳拼装复合支垫方法，涉及桥梁锚碇沉井基础施工技术领域，其技术要点为：先根据钢壳分块确定钢壳块段间接头的位置，在地面上对应每个接头的两侧按1.0米间距横向布置两根枕木，再在钢壳块段下的枕木中间填土夯实，块段接头下的枕木中间不填土；安放枕木和填土时控制枕木和填土顶面平齐，高程误差不超过±2mm，平整度不超过2mm；安装钢壳时保护枕木和填土不被扰动、损坏；钢壳安装完成后，先利用块段接头下的空间挖掘枕木下地面，将枕木抽出，再将接头下空间填满捣实。本发明设计的用于沉井钢壳拼装的复合支垫方法，可以降低枕木压力，减少枕木数量，还可以减小钢壳在抽枕木时的不均匀受力。
Method for assembling composite supporting cushion of open caisson steel shell
The invention discloses an open caisson steel shell assembling composite supporting pad method, and relates to the technical field of bridge anchorage open caisson foundation construction, and the technical key points are as follows: firstly, determining the positions of joints between steel shell block segments according to steel shell blocks, transversely arranging two sleepers on the ground corresponding to the two sides of each joint according to the interval of 1.0 m, and connecting the two sleepers with each other; filling soil in the middle of the sleeper under the steel shell block section and tamping, and not filling soil in the middle of the sleeper under the block section joint; the sleepers are controlled to be flush with the top surface of the filled soil when the sleepers are placed and the filled soil is filled, the elevation error does not exceed +/-2mm, and the flatness does not exceed 2mm; when the steel shell is installed, sleepers and filled soil are protected against disturbance and damage; after the steel shell is installed, the ground below the sleeper is excavated through the space below the block section connector, the sleeper is pulled out, and then the space below the connector is filled and tamped. According to the composite supporting pad method for assembling the open caisson steel shell, the pressure of the sleepers can be reduced, the number of the sleepers can be reduced, and uneven stress of the steel shell during sleeper pulling can be reduced.
本发明公开了一种沉井钢壳拼装复合支垫方法，涉及桥梁锚碇沉井基础施工技术领域，其技术要点为：先根据钢壳分块确定钢壳块段间接头的位置，在地面上对应每个接头的两侧按1.0米间距横向布置两根枕木，再在钢壳块段下的枕木中间填土夯实，块段接头下的枕木中间不填土；安放枕木和填土时控制枕木和填土顶面平齐，高程误差不超过±2mm，平整度不超过2mm；安装钢壳时保护枕木和填土不被扰动、损坏；钢壳安装完成后，先利用块段接头下的空间挖掘枕木下地面，将枕木抽出，再将接头下空间填满捣实。本发明设计的用于沉井钢壳拼装的复合支垫方法，可以降低枕木压力，减少枕木数量，还可以减小钢壳在抽枕木时的不均匀受力。
Method for assembling composite supporting cushion of open caisson steel shell
一种沉井钢壳拼装复合支垫方法
CAI BAOSHAN (author) / ZHANG ZHIXIN (author) / CHEN KE (author) / WANG WEIJUN (author) / OU CHANGYANG (author) / GU TINGYE (author) / ZHU LIN (author) / PENG LINLIN (author) / GOU XIAOPING (author) / TAN KUI (author)
2024-04-30
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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