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1)  stress excess of reinforcement
钢筋应力超前
1.
There is a characteristic of "stress excess of reinforcement" in the two-stage loading composite structure.
转换层厚板分层叠合浇筑所导致的板底受拉钢筋应力超前值到底有多大?对厚板底筋受力是否有较大影响?这是本文分析的第二个主要问题。
2)  overstressing of reinforcing steel
钢筋受超限应力
3)  reinforcement stress
钢筋应力
1.
The reinforcement strain,crack width,crack width-load and reinforcement stress-load relationship at various load levels are measured and the development of crack is monitored.
对大偏心受压、受弯、大偏心受拉、小偏心受拉和轴心受拉圆形截面钢筋混凝土试件进行了试验,测定了不同荷载下的钢筋应变、裂缝宽度、裂缝宽度-荷载曲线和钢筋应力-荷载曲线,研究了各种试件的裂缝发展规律。
4)  steel stress
钢筋应力
1.
Analysis and test of steel stress of concrete beam during curing period;
养护期内钢筋混凝土梁钢筋应力的测试与分析
2.
In this paper,the steel stressof a special skew frame structure i5 studied with measuringmethod in situ.
对基特斜框架结构作了钢筋应力测试研究,获得了有价值的数据,并得出了一些看法。
5)  steel bar stress
钢筋应力
1.
An engineering case is taken as an example to analyze all factors and extents affecting the large calculating stress of steel bar stress in foundation slab in detail.
结合工程实例,对影响基础底板钢筋应力计算值偏大的各种因素及影响程度进行了分析,指出现有计算方法的不足并提出了一些改进建议。
2.
Analysis on testing data of deep horizontal displacementand steel bar stress of soil-nailing support work demonstrates that thehorizontal displacement of foundation pit increases with the extension ofconstruction time, and the maximum tension is associated with potentialsliding tendency of side slope while the end of soil-nail at lower row insoft soil foundation bears heavier load.
对土钉支护的深层水平位移和钢筋应力测试数据的分析表明:基坑水平位移随施工日期的延续而增加,土钉最大拉力与边坡的内在滑动趋势有关,软土地基中下排土钉端部受力较大。
6)  reinforcement stresses
钢筋应力
1.
Based on filed measured date and calculated result about the internal force of the anchor piles retaining structure in Handan,the reinforcement stresses and moments of the piles along with the excavation of the deep pit are studied in this paper.
通过对邯郸某深基坑桩锚式支护结构桩身内力的计算与现场实测,研究分析了深基坑开挖过程中桩身钢筋应力及弯矩的分布和变化规律。
补充资料:钢筋
分子式:
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性质:钢筋做为钢材的全称是(预应力)钢筋混凝土用钢筋。钢筋从外形分两类,一类是光面钢筋,一类是变形钢筋。光面钢筋就是变通碳素钢圆钢(参见圆钢),直径8~50毫米。变形钢筋则是表面带筋的钢筋,通常带有两道纵筋利沿长度方向均匀分布的横筋,公称直径8~50毫米。根据横筋的不同分布,变形钢筋还分为螺旋形、人字形和月牙形钢筋(见图)。变形钢筋的材质是低合金结构钢。钢筋按强度分级,光面钢筋的屈服点/抗拉强度(即屈强比)不小于235/370兆帕,属I级;变形钢筋的屈强比不小于315/490兆帕的属Ⅱ级,不小于370/570兆帕的属Ⅲ级,不小于540/835兆帕的属Ⅳ级。另一种变形钢筋叫预应力钢筋混凝土用热处理钢筋,是由高强度(屈强比1325/1470兆帕)的硅锰系列代号为RB150的钢种(40Si2Mn,48Si2Mn,45Si2Cr)经过热轧、淬火和回火调质热处理制成的,公称直径有6毫米、8.2毫米和10毫米3种,钢筋的螺纹外形,分为有纵筋和无纵筋的两种(见图)。

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