针对墙体材性的特点，分析了墙体因温度变化引起的裂缝、地基不均匀沉降引起的裂缝、悬挑构件锚固长度不足引起的裂缝。

According to the characteristics of wall materials the cracks caused by the change of temperature, differential settlement of foundation and lack of anchored length are analyzed.

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本文主要对变形裂缝的成因及控制措施作了分析和总结，其中包括混凝土收缩和温度变化引起的裂缝，以及地基不均匀沉降引起的裂缝等。

This paper is an analysis and summary about the causes of distortion cracks, including those caused by contraction of concrete and variation of temperature, and uneven settlement of foundation.

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地热水的开采已引起了一些自然和工程地质环境问题，主要是环境污染，地面沉降和地裂缝活动的加剧，以及地震活动性的加剧。

The main problems are environmental pollution, the intensifying of ground subsidence and ground fissures, and the intensifying of seismic activity.

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