They then built the sand pit initially with bricks, covered the bricks with concrete and then put small stones into the concrete to keep the natural appearance.
然后就是用砖块做沙坑，为了保持自然形态，在砖头上浇注了混凝土并铺上小石子。
After that, river way influent seepage and sand pit influent seepage simulation are researched at western outskirt in Beijing.
在此基础上进行了西郊地区河道入渗和砂石坑入渗模拟研究。
The paper introduces the application of cement mixed pile and soil anchor in sand pit, and the effect of such compounding retaining structure is analyzed and evaluated.
介绍了水泥搅拌桩与土层锚杆组合支护在砂土基坑中的应用技术，并对支护效果进行分析。
The paper introduces the application of cement mixed pile and soil anchor in sand pit, and the effect of such compounding retaining structure is analyzed and evaluated.
介绍了水泥搅拌桩与土层锚杆组合支护在砂土基坑中的应用技术，并对支护效果进行分析。
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