The author analyses some problems in pool design, such as the determine of groundwater level, the setting of shrinkage joint, practice of later casting zone and the fitting of design and construction.

通过作者多年在水池设计中所遇到一些常见问题，从结构专业的角度出发，分析探讨了地下水位的确定、伸缩缝的设置、后浇带的做法及设计与施工配合等问题。

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Porous concrete will shrink, so it is necessary to deal with its shrinkage character firstly when studying the problems of joint location and reflection crack of porous concrete base.

由于多孔混凝土存在收缩现象，为研究多孔混凝土基层路面的接缝设置及反射裂缝问题，必须首先研究多孔混凝土的收缩特性。

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In order to prevent the cracks that would be likely caused by restricted conditions of the wet-joint, the wet-joint demands using expansive concrete to compensate the shrinkage and creep.

江津观音岩长江大桥为结合梁桥，为防止桥面板湿接缝在约束条件下产生裂缝，该桥面板湿接缝要求采用微膨胀混凝土，以补偿混凝土的收缩、徐变。

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With 40 percent of the federal budget currently being borrowed and military planners searching for hundreds of billions of dollars in savings to help rein in spending, some shrinkage in the size of the joint force seems inevitable.

FORBES: Despite Budget Woes, The Navy Is Unlikely To Cut Carriers