plain concrete

The structure is that steel tube in the upper section, plain concrete-filled steel tube in the middle section, and concrete filled steel tube column reinforced in compression and tension area in the bottom section.

这种结构形式是从底部到顶部依次为在受压区和受拉区配筋的钢管混凝土、钢管素混凝土、空钢管，截面从下到上递减。

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Experimental Study on Fatigue Deformation of Plain Concrete under Multi-stage Constant Amplitude Loading

混凝土多级等幅疲劳的变形发展规律试验研究

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This paper studied the fatigue properties of the plain concrete under constant amplitude flexural cyclic loading.

在室内混凝土试件弯曲疲劳试验的基础上，研究了素混凝土受弯试件在等幅重复荷载作用下的弯曲疲劳性能。

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Construction Technology for Large Slurry Balance Shield Passing Through Plain Concrete Shaft

大型泥水平衡盾构穿越素混凝土竖井的施工技术

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With Griffith criterion and principle of fracture mechanics, a problem of the crack propagation of plain concrete and fiber sheet reinforced concrete 3-P bending specimen is discussed.

利用Griffith准则和断裂力学原理讨论了带缺口的素混凝土和纤维薄板增强混凝土三点弯曲梁试件的断裂扩展问题。

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Numerical simulation on the kinetic energy penetration against plain concrete panel

动能弹侵彻素混凝土板的数值模拟

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Through the model test on three groups of new and old plain concrete underpinned columns, the shear strain translation rule of the concrete surface, the crack load and the failure load were measured.

通过3组新老素混凝土托换柱模型试验，测得模型表面混凝土的剪应变变化规律、开裂载荷、破坏载荷。

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Quality and cost control in plain concrete shear wall construction of high-rise building

高层建筑清水混凝土剪力墙质量成本控制

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Study on Failure Criterion of Plain Concrete under Multiaxial Fatigue Loading

混凝土多轴疲劳破坏准则研究

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Fatigue properties of plain concrete under triaxial variable-amplitude tension-compression cyclic loading

混凝土三轴变幅拉-压疲劳性能试验研究

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The test results show that, the flexural fatigue strength of polyacrylonitrile fiber reinforced concrete beams with bottom layer steel fiber is larger than the plain concrete 15.7%;

研究证明：底层撒布较长钢纤维的聚丙烯腈纤维混凝土梁的弯曲疲劳强度比素混凝土提高15.7%；

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The Construction Techniques of Plain Concrete for Fl International Velodrome in Shanghai

上海F1国际赛车场清水混凝土施工技术

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Study on bearing capacity test on plain concrete underpinned column

素混凝土托换柱承载力试验研究

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