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城市闹市区中爆破开挖坚硬河床的控制技术
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作者 阳正纪 阳永晖 +3 位作者 张健 秦松友 王谊松 杜卫华 《建筑技术开发》 2010年第6期34-35,共2页
市区内河床改造工程施工受排洪期以及周围环境的限制,必须缩短爆破工期。本次工程采用大孔径的钻机实施浅孔钻孔爆破,并有效控制了震动和飞石,成功完成了在高度危险环境中的大孔径浅孔一次性控制爆破。
关键词 城市闹市区 大孔径浅孔 控制爆破 一次性起爆
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Human Behavior in Downtown Public Spaces during Cooling Periods in Winter Cities 被引量:1
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作者 Minori Kusaka Tsuyoshi Setoguchi +2 位作者 Norihiro Watanabe Zhiming Guo Anasutasiia Paukaeva 《Journal of Civil Engineering and Architecture》 2018年第1期1-10,共10页
There is an urban design problem that outdoor public spaces are not used for long periods of time within a year due to coldness and snow cover in cities with severe winter climates (winter cities). Therefore, an urb... There is an urban design problem that outdoor public spaces are not used for long periods of time within a year due to coldness and snow cover in cities with severe winter climates (winter cities). Therefore, an urban design that promotes activities in these spaces is required for winter cities. The purpose of this paper is to clarify the relationship between outdoor environmental conditions and the behaviors of people in outdoor public spaces. This six-month study conducted a field survey in six kinds of public spaces in downtown Sapporo and analyzed the changes of microclimates and sitting behaviors in these spaces. The analysis revealed that sitting behaviors decreased with temperature drops during the cooling period (20 ~C-8 ~C), that sunlight could suppress the reduction in the number of sitting behaviors, and that wind speed could suppress the reduction in the duration of sitting behaviors. 展开更多
关键词 Winter city MICROCLIMATE public space urban open space actual usage field measurement outdoor environment.
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