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宁夏银川加气混凝土制品厂与宁夏区建材工业总公司于1986年6月共同进行了灰砂硅酸盐混凝土预制基桩的研制。试制的4根基桩于1987年元月在银川市新火车站工程工地上进行了打桩试验。宁夏建筑工程研究所分别对4根基桩进行了单桩静荷载试验,所提交的试验报告作出结论:该产品可在工程中使用。(一)灰砂硅酸盐混凝土基桩的制作1.规格尺寸与标号的确定按照《工业与民用建筑地基基础设计规范》(TJ7—74)对预制基桩的要求,参照
Ningxia Yinchuan Aerated Concrete Products Factory and Ningxia District Building Materials Industry Corporation jointly carried out the research and development of lime sand siliceous concrete prefabricated piles in June 1986. The trial trials of four foundation piles were conducted in January 1987 on the construction site of the new railway station in Yinchuan. The Ningxia Institute of Building Engineering conducted a single pile static load test on four foundation piles. The submitted test report concluded that the product can be used in the project. (1) Production of Silica Sand Silicate Concrete Foundation Piles 1. Specification of size and number of markings According to the requirements of prefabricated foundation piles in the “Code for Design of Foundations for Industrial and Civil Buildings” (TJ7-74), refer to