在实验研究的基础上，建立了“卸荷拱”计算模型及“拱梁”力学模型，初步分析了厚沙土层的破坏机理。
On the basis of test research, unloading arc calculating model and arc beam mechanical model are set up, thick sand stratum's rupture law is exposed.
吉水赣江大桥是江西省第一座拱上建筑采用现浇连续板梁式结构，且桥墩为钢筋混凝土空心墩的箱型拱桥。
Ganjiang bridge in Jishui is the first box-arch bridge, which has continuous cast boards and girders construction on the arch and whose piers made from reinforced concrete are hollow.
本文论述起重机主梁的上拱度及预拱曲线的基本原理，介绍了国内外起重机技术标准中规定的上拱度值。
This paper discusses the question of crane main girder camber and the pre-cambering curve, introducing camber values stipulated in related crane standards in China and abroad.
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