Effect of the Steel Fiber on the Compression Strength of the C 30 Concrete after and before it's Heated
liu rui-qi1; li feng-qi2; zhou jin-quan3; liang lei4(1.qiqihar heping architectural design co.ltd.; qiqihar; heilongjiang; 161000; china; 2.infrastructure administration office; northeast university; shenyang; liaoning; 110004; china; 3.design & research institute of northeast university; shenyang; liaoning; 110004; china; 4.panjin urban & rural planning construction commission; panjin; liaoning; 124010; china)
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