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一、概况某工程为二层楼房,第一层是车库,第二第是招待所。房屋基础为柱下单独基础。该地基位置原为一条长约130米的冲沟,沟深10求,沟底宽10米,沟顶宽40米,冲沟与地基走向一致。后来,整个沟底修建了一个孔径为1.5米盖板排水渠,其上填土,土料是网纹状粘土夹砾石,填土纵断而如图1。填土时,翻斗车倾卸,没有夯压,填完后用推土机推平,填土密实程度很不一致。在地面以下1米处可见杂填土,其成分包括煤灰、碎砖和草根等,无法取得有代表性土样。
I. Overview A project is a two-story building. The first floor is a garage and the second is a guest house. The housing foundation is a separate base under the column. The foundation was originally a gully with a length of about 130 meters. The depth of the ditch was 10, the width of the ditch was 10 meters, and the width of the gully was 40 meters. The gully was in line with the foundation. Later, a full-filled 1.5-meter cover drainage channel was built at the bottom of the trench and filled with soil. The soil was composed of gravelly clay and gravel. The filling was severed as shown in Figure 1. When the soil is filled, the dump truck dumps, and there is no rolling pressure. After the filling, the bulldozer is used to flatten the earth. The filling density is very inconsistent. Miscellaneous fillings can be found at a depth of 1 meter below the ground. Its components include coal ash, broken bricks, and grass roots, and no representative soil samples can be obtained.