论文部分内容阅读
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥主桥连续预应力混凝土变截面箱梁2#～7#块、8#、8
Soil Macrofaunal Communities are Heterogeneous in Heathlands with Different Grazing Intensity
【摘 要】
：
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
【机 构】
：
Muséum National d’Histoire Naturelle, CNRS UMR 7179, 4 avenue du Petit Ch(a)teau, 91800 Brunoy Franc
【出 处】
：
城市道桥与防洪
【发表日期】
：
2015年4期
其他文献
Biological soil crusts(biocrusts) widely occur in semiarid and arid regions throughout the world and play important roles in many desert ecosystems: protecting
Soil Wetting Patterns and Water Distribution as Affected by Irrigation for Uncropped Ridges and Furr
The ridge-furrow tillage combined with furrow irrigation is being more widely applied and has been shown to be effective in the Loess Plateau of China. Accurate
孙中山是中国反对帝国主义、封建主义的先驱，是中国民主革命的先行者。孙中山自创建兴中会以后，领导多次武装起义，结果都失败了。辛亥革命后的十余年间，他依靠军阀打军阀，同样未取
Protection Methods to Reduce Nitrogen and Phosphorus Losses from Sloping Citrus Land in the Three Go
The increased application of chemical fertilizers in citrus orchards and the non-point source nitrogen(N) and phosphorus(P)diffusion threaten the fresh water qu
Determining how soil erosion affects enzyme activity may enhance our understanding of soil degradation on eroded agricultural landscapes. This study assessed th
Salinity is a major soil contamination problem in Australia. To explore salinity remediation, we evaluated the concentrations of sodium(Na), potassium(K), magne
Soil Organic Carbon Mineralization as Affected by Cyclical Temperature Fluctuations in a Karst Regio
The diurnal fluctuation in soil temperature may influence soil organic carbon(SOC) mineralization, but there is no consensus on SOC mineralization response to t
中国共产党领导的人民军队在建立之初，无论从数量上还是从武器装备上看，都是一支弱小的武装。作为这支军队主要缔造者的毛泽东，从一开始就是在极为艰难困苦的条件下，与国民党反动