Study on the bond of steel fibre reinforced expansive concrete and deformed steel bar 钢纤维膨胀混凝土与钢筋粘结性能研究
Application of cold rolled deformed bar in concrete slabs 冷轧带肋钢筋在现浇混凝土板中的应用
Experimental study on bond properties of non-uniformly Corroded Deformed Bar in concrete 非均匀锈蚀变形钢筋粘结性能试验研究
Grout anchored deformed bar 灌浆锚定的螺纹钢杆
Becatise cross rolling deformed zone is complex and diffcutyto be measured, there isn't an accurate measured method for bar surface deformation. 由于斜轧变形区比较复杂,且不利于使用各种变形测量手段与仪器。
In this paper, the bond strength between high-strength lightweight concrete and deformed bar was studied with 80 axial pull-out tests. 通过80个拔出试验,探讨了变形钢筋与高强陶粒混凝土的粘结锚固强度,并与普通混凝土和低强度陶粒混凝土的试验结果进行了比较。
Research on Fatigue Behavior of Concrete Beams Reinforced by Cold-Rolled Deformed Steel Bar 冷轧带肋钢筋混凝土受弯构件疲劳性能研究
The loading effectiveness of GISE's exporting steel product-12 metres length deformed bar has greatly grown because of the putting into operation of 10-tons "O" type gantry crane. 10吨O型龙门吊的投入使用,使出口钢材12米定尺螺纹钢装车效率大大提高。
The on-line measurement of the deformed steel bar's surface parameters is the key point not only to improve prodcts 'quality and productive efficiency but also to the realization of automatic contral. 对螺纹钢外型参量进行在线测量是保证产品质量,提高生产效率、实现自动控制的重要环节。
It shows that the cold-rolled deformed bar is a new kind of construction material with broad prospects. 从而表明冷轧钢筋是一种前途广阔的新型建筑材料。
Comparisons of the current results with those from the previous study indicated that both smooth bar and deformed bar showed a similar electrical resistance-corrosion relationship. 与前期研究结果的比较显示,光面钢筋与变形钢筋表现出相似的电阻-腐蚀率关系。
In this paper the bond properties and bond constitutive relationships of three kinds of high performance concrete ( HPC) and deformed bar had been researched. 本文主要研究高性能混凝土中分别添加钢纤维或聚丙烯纤维后对其与钢筋粘结性能的影响,并与未添加纤维的高性能混凝土进行了比较。
Experimental study of the bond behavior of the following three different types of prestressed reinforcements: spiral-groove steel wire, deformed steel bar and steel strand is carried out. 对3种不同外形的预应力钢筋螺旋肋钢丝、异形钢棒、钢绞线的粘结性能进行了试验研究。
The Deformed and Strengthen Study of ⅲ Elastic Bar Ⅲ型弹条变形强化的研究及实践
Analysis of scrape and crack on cross rib of deformed bar 螺纹钢筋横肋擦伤及根裂原因分析
The concrete beams reinforced by adequate cold rolled deformed steel bar have well resisting crack ability and ductility, and their fatigue lives increase remarkably. 受弯构件适当配置冷轧带肋钢筋不仅具有良好的抗裂性能和延性,而且其疲劳寿命也有显著的提高。
The microstructures of the primary and fatigued copper single crystals deformed at high strain rate were studied by Split-Hopkinson pressure bar ( SHPB) and SEM. 采用分离式Hopkinson压杆(SHPB)实验装置和SEM研究了原始态和疲劳态铜单晶在高应变率下形变的组织演变。
In recent years, round steel bar, deformed steel bar and helical rib steel wire for prestressed concrete are new kinds of high strength prestressed reinforcement. 预应力混凝土用光圆钢棒、异形钢棒及螺旋肋钢丝就是近年来开发的高强预应力钢筋新品种。
In order to solve the anchorage design problem in RPC members, the bond anchorage mechanism and bond anchorage strength of deformed steel bar are analyzed, which also provide the basis for the standard enaction for RPC. 分析了变形钢筋在活性粉末混凝土构件中的粘结锚固机理和粘结锚固强度变化规律,以解决活性粉末混凝土构件中钢筋的锚固设计问题,为活性粉末混凝土规范的编制提供依据。
The pullout tests on the bonding specimens with the deformed reinforcing bar installed by the interior strain gauge are conducted, and the associate expression of bond between steel and concrete is introduced. 通过快速锈蚀内贴片变形钢筋混凝土试件的拔出试验,给出了钢筋与混凝土协同工作系数的表达式。