素混凝土

素混凝土桩与土工格栅联合加固路基应力传递特性分析

Stress Transmission Characteristic Analysis about Joined Strength Embankment of Plain Concrete Pile and Geogrid

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。

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

F组为素混凝土试件。

The F group was plain concrete columns .

素混凝土桩（LC）桩在深厚填土地基中应用

Application of Low-strength Concrete Piles ( LC Piles ) in Deep Earth-filled Ground

低强度等级素混凝土桩（LC桩）地基处理法及其在工程中的应用

Pile of low strength concrete ( lc pile ) and its application in projects

增大截面与CFRP复合加固素混凝土短圆柱试验研究

Experimental research on concrete short circular columns strengthened with the combination of CFRP and increasing section

因此，同普通素混凝土相比，SFRC具有优异的静力和动力特性。

SFRC has superior static and dynamic behavior compare with the plain concrete for above reasons .

试验结果表明：外包CFRP加固对素混凝土方形短柱的轴心抗压承载力有显著提高；

The test result indicates that there is an obvious improvement in the axial capacity of short plain-concrete square-section columns strengthened with externally bonded CFRP ;

本文探讨矩形和T形截面素混凝土梁受纯扭时，混凝土立方强度f（cu）和开裂扭矩Tcr之间关系。

This paper deals with the relationship between the cube strength of concrete fcu and the cracking torque Tcr for . rectangular and T-beams of plain concrete subjected to pure torsion .

通过18根短柱试件的加载试验，研究了CFRP（碳纤维复合材料）加固对素混凝土短柱力学性能的影响。

The effects of CFRP ( carbon fiber reinforced polymer ) strengthening on the mechanical performance of short plain-concrete columns were researched by loading tests of18 short-column specimens .

采用FDTD法和MPML吸收处界条件，对无限大钢筋网、钢筋混凝土层和素混凝土层的电磁脉冲屏蔽效能进行了时域全波分析。

It presents a time domain full wave analysis of infinity wire mesh reinforcement , reinforced concrete layer and concrete only layer in FDTD method .

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。

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 .

采用动态增强系数DIF分析，纤维混凝土在高应变率下的DIF要高于素混凝土，说明纤维混凝土对于应变率的更加敏感。

We defined DIF as dynamic enhancement factor , and then the results showed that the fiber concrete at high strain rate DIF is bigger than plain concrete .

低强度桩包括水泥搅拌桩、水泥砂浆桩、高压旋喷桩、CFG桩等强度比钢筋混凝土桩低的多的素混凝土类桩。

Low strength pile is the plain concrete pile , including cement mixing pile ; cement morta pile ; high-pressure rotary jet grouting pile ; CFG pile etc. , which strength is lower then reinforced concrete pile .

目前应用广泛的Fick第二定律并没有考虑混凝土结构由于钢筋存在改变了氯离子浓度在时间、空间上的分布，而将混凝土结构/构件当成无加筋的素混凝土对待。

Most current applications of Fick 's second law analytical solution did not consider the obstruction of reinforcing bar in RC structures which will alter chlorides distribution at time and space .

比较了素混凝土自由收缩试验结果与ACI模型和Sakata模型预测值，修正后的ACI模型与试验结果符合较好。

The free shrinkage experiment result of plain concrete are compared with predictions of ACI and Sakata models . The predication of modified ACI model fit the experiment result well .

用这种测试方法，在空气炮上进行了一系列半球形头部钢弹以150～400m／s速度垂直侵彻素混凝土目标的试验，成功地测量了弹丸的减速度时间历程曲线。

Using this method , a series of tests of hemisphere nose steel projectiles penetrating normally into plain concrete at velocity region 150 ~ 400m / s were executed and the deceleration histories are successfully obtained .

在此理论研究的基础上，通过有限元分析软件ADINA来计算素混凝土平板构件和配筋混凝土楼板的温度应力和干缩应力，比较其抗裂性能的区别。

Based on these theoretical studies , the temperature stress and shrinkage stress of plain concrete slab and reinforced concrete slab are calculated using finite element analysis software ADINA , and the differences between them are also made .

通过量测81个配筋试件和素混凝土试件，从拆模起到180d龄期内的收缩值，得到其各自的收缩应变。

Through the measurement of 81 commercial reinforced concrete and plain concrete shrinkage samples from removal of shuttering till 180 d age , various shrinkage strain were obtained .

锯切素混凝土和钢纤维混凝土时Co-Fe基节块的磨损率最小。

When sawing cement concrete and steel fiber concrete in experiment , the wear rate of blade with Co-Fe bond segment are the least among four various blades .

研究了埋入混凝土梁中的碳纤维水泥复合材料（CFRC）立方试块的力电效应，CFRC展示了与素混凝土类似的力电关系。

Meanwhile , the electromechanical effect for the Carbon Fiber Reinforced Cement ( CFRC ) specimen embedded into the concrete beam has been studied , it is shown that the CFRC shows the similar electromechanical phenomena as plain concrete .

通过对素混凝土、钢纤维混凝土和聚丙烯纤维混凝土三种材料进行了SHPB试验，系统研究了对动载下三种材料试件的峰值应力、峰值应力对应应变、韧性指标。

By SHPB test on plain concrete , steel fiber concrete and polypropylene fiber concrete , systematic study was made on the peak stress , its correspondent strain and ductility indictors of the samples of the three materials under dynamic load .

通过材料实验，对大掺量Ⅲa级粉煤灰素混凝土构成的CFG桩桩身材料进行力学性能方面的试验研究，主要探讨抗压强度与材料配比、龄期之间的关系。

Laboratory experiment is carried out on the mechanical property of CFG pile material ( fly ash concrete ) composed of a large quantity of ⅲ a-fly ash mixture . The relationships between compressive strength and the proportion of fly ash substituting cement , and curing time are studied .

计算中考虑了10cm2、0cm3、0cm厚素混凝土和20cm厚钢筋混凝土4种不同的隧道铺底工况，计算结果同模型试验结果的变化规律一致。

The 10 cm-thick , 20 cm-thick and 30 cm-thick plain concrete and 20 cm-thick reinforced concrete are taken into account in calculation . The change rule of the calculated results agrees with the model test results .

同时掺加胶凝材料2%氯盐、2.6%Ca（NO2）2则会使平均粘结强度有明显的提高，但仍然小于空白素混凝土与钢筋间平均粘结强度。

The addition of the chloride salt and Ca ( NO2 ) 2 with the content of 2 % and 2.6 % leaded to the increase of the average bonding strength , but the bonding strength of steel reinforcing concrete containing salts is lower than that of the control ones .

素混凝土桩复合地基荷载传递机理的试验研究

Study on loads transferring mechanism of composite grounds with concrete piles

素混凝土井壁受力状况的监测与分析

Monitoring and analyzing on stress state of plain concrete shaft wall

动能弹侵彻素混凝土板的数值模拟

Numerical simulation on the kinetic energy penetration against plain concrete panel

某高层建筑素混凝土桩复合地基的设计

Design of Concrete Pile Composite Foundation in Tall Building in Shijiazhuang

室外大面积光面素混凝土堆积场施工技术

Construction technology of outdoor large-area plain concrete yard and its application