1) the Fourth Bridge in Xiangtan
湘潭四大桥
2) Xiangtan
[英]['ʃɑ:ŋ'tɑ:n] [美]['ʃjɑŋ'tɑn]
湘潭
1.
Acid Rain Pollution Situation and its Chemical Components and Countermeasures in Xiangtan;
湘潭市酸雨污染状况、化学组成及其防治对策
2.
Study on Soil Characteristics of Abandoned Land of Polianite and Relationship with Plant Growing in Xiangtan;
湘潭锰矿废弃地土壤特性与植物生长关系研究
3.
Assessment of Pollution of Heavy Metals on the Slag Wasteland of Xiangtan Manganese Mine;
湘潭锰矿废弃地土壤重金属污染及其评价
3) Longtan River Bridge
龙潭河大桥
1.
Time Domain Analysis of Wind-Induced Buffeting of Longtan River Bridge;
龙潭河大桥风致抖振时域分析
4) Shitanxi bridge
石潭溪大桥
5) XiangYin-XiangJiang bridge
湘阴湘江大桥
1.
In this article,the bearing behavior and load transfer mechanism of piles in sandy soil foundation are discussed on the basis of the static loading test in XiangYin-XiangJiang bridge,the effect of piles length on the transfer of axial force and the action of lateral friction resistance are analyzed by comparison with the same proportion of length to diameter.
通过湘阴湘江大桥两根试桩的静载荷试验,探讨了该地区砂土地基中桩基础承载性状及荷载传递机理,对比分析了同一长径比下,桩长对桩身轴力的传递和桩身侧摩阻力的发挥有较大的影响,I号试桩属纯摩擦桩,II号试桩属端承摩擦桩。
6) Longtanhe Extra Large Bridge
龙潭河特大桥
1.
This paper expounds the general situation of the engineering of Longtanhe Extra Large Bridge, and in the light of the main factors influencing the construction measuring precision, introduces the main adopted countermeasures, which include the countermeasures against the influences of the sunlight temperature difference, air convection, and construction eccentric load, etc.
阐述了龙潭河特大桥工程概况,针对影响施工测量精度的主要因素,介绍了采取的主要对策,包括应对日照温差的对策、应对大气对流影响的对策、应对施工偏心荷载的对策等,列举了测量控制的施工技术。
补充资料:1,3,5,7-四甲基四乙烯基环四硅氧烷
分子式:[CH3(CH2=CH)SiO]4
CAS号:
性质:沸点224~224.5℃(101.06kPa)。熔点-43.5℃±0.1℃。相对密度0.9875。折射率1.4342。与八甲基环四硅氧烷性能相似,在微量硅醇钠、硅醇钾或少量浓硫酸作用下,Si-O-Si键断裂重排,生成直链的聚硅氧烷和环状硅氧烷的混合物。 Si-CH=CH2键在有机过氧化物存在下,可进行游离基聚合反应。在铂催化剂存在下,可与Si—H键发生加成反应。可由甲基乙烯基二氯硅烷的水解料催化裂解来制取。用来合成有机硅中间体及高分子化合物提供活性交联点之用,是制备硅橡胶不可缺少的原料之一。
CAS号:
性质:沸点224~224.5℃(101.06kPa)。熔点-43.5℃±0.1℃。相对密度0.9875。折射率1.4342。与八甲基环四硅氧烷性能相似,在微量硅醇钠、硅醇钾或少量浓硫酸作用下,Si-O-Si键断裂重排,生成直链的聚硅氧烷和环状硅氧烷的混合物。 Si-CH=CH2键在有机过氧化物存在下,可进行游离基聚合反应。在铂催化剂存在下,可与Si—H键发生加成反应。可由甲基乙烯基二氯硅烷的水解料催化裂解来制取。用来合成有机硅中间体及高分子化合物提供活性交联点之用,是制备硅橡胶不可缺少的原料之一。
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