Concrete is one of the most important material of civil engineering. Quality of the structure concrete will affect the safety of structure directly.

混凝土是当今最重要的土木工程材料之一，其质量的好坏直接关系到结构物的安全。

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The factors which cause fuzziness are analysed quantitatively and the Safety of Structure is assessed objectively by means of the principle of fuzzy reasoning.

本文采用模糊似然推理原理，对引起模糊性的因素进行定量化分析，客观地评价了结构的安全性。

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The crack has no effect on the safety of structure temporarily because of the energy release and the stress relaxation, so people don't pay close attention to it.

由于温度裂缝出现后，能量释放、应力松驰，暂时不危及结构安全，往往不能引起人们的充分重视。

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Two engineers who reportedly approved the safety of the structure have also been detained.

BBC: Dhaka building collapse: EU considering action

On the governance side, Umicore has a more equitable compensation structure than most of its peers, coupled with above-average health and safety performance and employee turnover, he adds.

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The new structure will place construction and the management of services under the new China Railway Corp, while safety and regulation will come under the transport ministry.

BBC: Travellers at the Beijing West Railway Station, Jan 2013