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超大型地下室无缝混凝土施工技术

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超长结构设置永久性伸缩缝是协调温度、应力以及沉降等变形的首选技术措施,但由于缝隙存在导致渗漏不止等问题,严重影响使用功能甚至结构耐久性也大打折扣,建筑结构也随之产生隐患.以超大型地下室不设永久性伸缩缝的工程实践为例,并结合其无缝施工技术的重点,分析了无缝施工技术的相关要点,以此有效改善缝隙构造对房屋建筑内部各种渗漏等问题,提高建筑内部使用环境舒适性和结构耐久性,确保建筑结构安全.
SEAMLESS CONCRETE CONSTRUCTION TECHNOLOGY FOR SUPER LARGE BASEMENT
Permanent Expansion joint are the preferred technical measures to coordinate temperature,stress,settlement and other deformation in super long structures.However,the existence of gaps leads to more leakage and other sequelae,which seriously affect the use function and even the durability of the structure will be greatly reduced,and the building structure will also have hidden dangers.This paper analyzes the key points of seamless construction technology in the engineering practice of super large basements without permanent expansion joint,combined with the key points of its seamless construction technology,so as to effectively improve the leakage of gap structures to the interior of buildings,improve the comfort of the use environment and structural durability of buildings,and ensure the safety of building structures.

super iarge basementexpansion jointprestressed reinforcement

陆明富

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筑工建设有限公司,浙江东阳 322100

超大型地下室 伸缩缝 预应力钢筋

2024

建筑技术开发
北京市建筑工程研究院

建筑技术开发

影响因子:0.351
ISSN:1001-523X
年,卷(期):2024.51(2)
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