Effect of wall-slab connection details on response of reinforced concrete tanks

墙板连接细节对钢筋混凝土储罐响应的影响

• 批准号: 506145-2016
• 负责人: Kianoush, Reza
• 金额: $ 1.82万
• 依托单位: Ryerson University
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2016
• 资助国家: 加拿大
• 起止时间: 2016-01-01 至 2017-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=610115
• 关键词: Effect; wall; slab; connection; details

Concrete liquid containing structures (CLCS) are primarily used for the storage of water and wastewater and other industrial wastes. These structures are considered as lifeline facilities that require careful design and detailing to meet serviceability requirements for crack and leakage control. A good understanding of the behavior of these structures is necessary in order to meet safety and serviceability objectives while containing construction and maintenance costs. There is a great deal of inconsistency among the design standards for this important broad class of structures. This is mainly due to the lack of understanding of the behavior of these structures under static and seismic loading. There is debate on the validity of some of the provisions in codes and standards in this regard. In recent years, the designers have moved away from the conventional joint detailing due to construction issues. The use of widespread and inconsistent joint details have raised questions on liquid tightness in these structures. The main objective of the proposed research study is to develop a rational design procedure, through experimental programs, for concrete tanks that assures a safe leak resistant structure. The study will be conducted on specimens that are representative of full scaled base slab-wall connection portion of tanks with different connection details. These specimens while under reversed cyclic loading will be simultaneously subjected to liquid pressure and leakage tests. It is expected that this research program will provide a framework to understand the behavior of CLCS under static and seismic loading. This framework will be useful towards the development of design guides for CLCS.

混凝土液体容纳结构（CLCS）主要用于水和废水以及其他工业废物的储存。这些结构被认为是生命线设施，需要仔细的设计和详细说明，以满足裂缝和泄漏控制的适用性要求。为了满足安全性和适用性目标，同时控制施工和维护成本，有必要对这些结构的行为有很好的了解。对于这一重要的广泛类别的结构，设计标准之间存在很大的不一致性。这主要是由于对这些结构在静态和地震荷载下的行为缺乏了解。在这方面，对守则和标准中某些规定的有效性存在争议。近年来，由于施工问题，设计人员已经远离了传统的接缝详图。广泛和不一致的接头细节的使用引起了这些结构中液体密封性的问题。拟议的研究的主要目标是开发一个合理的设计程序，通过实验方案，混凝土罐，确保安全的防漏结构。本研究将对代表具有不同连接细节的储罐的全尺寸底板-壁连接部分的样本进行。在反向循环载荷下，这些样本将同时接受液体压力和泄漏试验。预计这项研究计划将提供一个框架，以了解在静态和地震荷载下的CLCS的行为。该框架对于制定CLCS设计指南非常有用。