摘要
以呼武公路马家店大桥施工为例,介绍了96m曲线箱梁张拉过程中对张拉材料与机具的性能要求以及预应力筋的安装、张拉力与伸长量的计算、张拉的实施和孔道压浆等技术。
Taking the construction of Majiadian Bridge on Hu-Wu Highway as an example, this paper introduces the properties' requirements for tensioned materials and straining apparatus, installation of tendon, calculation of tensile forces and elongation, practice of tensioning, duct grouting and other techniques.
出处
《科技情报开发与经济》
2002年第4期215-216,共2页
Sci-Tech Information Development & Economy