In order to study the deformation of polyester fiber asphalt concrete with different fiber contents by splitting test,Marshall samples of asphalt mixture,with fiber quality contents of 0,0.
30%的马歇尔试件,在MTS810材料试验机上进行劈裂试验,试验温度为15℃,分析了劈裂试验结果随纤维掺量变化的规律,应用无量纲的韧性指数和劈裂强度评价纤维沥青混凝土的变形性能。
The fatigue performance of asphalt mixtures were researched by the static splitting test and the relationship between creep damage time and fatigue damage time was established by a regression analysis.
通过静载劈裂试验对沥青混合料的疲劳性能进行了研究,通过回归分析建立了劈裂蠕变破坏时间与劈裂疲劳破坏时间的对应关系。
Numerical simulation of split test process for asphalt mixture under heterogeneous state
非均质沥青混合料劈裂试验全过程数值模拟
Determination of rock fracture toughness by split test using five types of disc specimens
用5种圆盘试件的劈裂试验确定岩石断裂韧度
By flexural test and split test , the effect of part or total replacement of mineral powder with cement on and-cracking performance of asphalt mixture is researched.
通过弯曲试验和劈裂试验,分析了水泥替代部分或全部矿粉对沥青混合料抗裂性能的影响。
ABAQUS,a finite element program,is selected to carry on the numerical simulation of the asphalt mixture indirect tensile tests(IDT) with 2D and 3D models,appropriate meshing and material model.
应用有限元软件ABAQUS,采用合适的材料模型建立有限元模型,模型网格按不同密度进行划分,对沥青混合料劈裂试验进行二维与三维数值模拟对比研究。
Subsequently,the improved impacts of fibers on water resisting property of asphalt mixture were evaluated through immersed Marshall test and freeze-thaw splitting test according to the technical specifications JTG F40-2004.
为探讨合成聚合物纤维对沥青混合料耐水性的影响,先由马歇尔试验和车辙试验确定纤维的最佳掺量,然后按照现行规范JTG F40-2004规定的浸水马歇尔试验和冻融劈裂试验评价合成聚合物纤维对沥青混合料耐水性的改善效果。
In order to investigate the improving effect of water resistance of OGFC after replacing mineral filler by cement,the mixing proportions of OGFC with different substitution rate of cement were determined firstly,subsequently immersed Marshall test and freeze-thaw splitting test were carried out according to the Standard Test Methods.
为研究水泥取代矿粉后对OGFC混合料耐水性的改善效果,首先确定了不同水泥取代率的OGFC混合料配合比,然后按照规范规定的试验方法进行了浸水马歇尔试验和冻融劈裂试验。
In order to study the laws of the failure strains after temperature treatment under dynamic tension,the dynamic split tests of a series of Brazilian disc of marble were performed using split Hopkins pressure bar(SHPB) of 100 mm diameter.
巴西圆盘是用于测定大理岩等脆性材料拉伸性质的一种常用试样,为了研究温度对岩石在动态拉伸条件下破坏应变的影响规律,利用直径100 mm的分离式Hopkinson压杆对一系列大理岩巴西圆盘进行了动态劈裂试验,通过粘贴在试样中心处的应变片,得到了不同类型的试样在不同应变率下的破坏应变。
In order to study the laws of failure strains under dynamic tension,a series of Brazilian disc and flattened Brazilian disc(FBD) samples of marble under the dynamic split tests are performed with a wide range of strain rates using split Hopkinson pressure bar(SHPB) of 100 mm in diameter.
脆性材料基于应变的强度准则逐渐受到重视,为研究岩石在动态拉伸条件下的破坏应变规律,利用分离式Hopkinson压杆对不同尺寸的大理岩巴西圆盘和带平台的巴西圆盘进行宽应变率范围的动态劈裂试验。
A improved freeze thaw split test was used to evaluate the mixture water sensitivity.
用强化的冻融劈裂试验评价混合料水损害 ,对比试验说明经过含铬外加剂处理后的酸性集料混合料劈裂强度比提高显著 ,长期抗水损害性能也较好。
On the base of immersion Marshall test and freeze thaw split test in different air voids in asphalt mixture,the differences of each method in evaluating asphalt mixture immersion stability are compared,and the reasons are analyzed,furthermore,the immersion test method and evaluation index of asphalt mixture are discussed.
通过对不同空隙率条件下的沥青混合料进行浸水马歇尔试验、冻融劈裂试验 ,比较了各水稳性试验方法在评价沥青混合料水稳性时的优劣 ,并对原因进行了分析。
Determination of rock fracture toughness by split test using five types of disc specimens
用5种圆盘试件的劈裂试验确定岩石断裂韧度
Hydraulic Fracture Test and Crack Propagation Simulation by Element-Free Method;
岩体水力劈裂试验及裂纹扩展的无单元法计算
Experimental Study and Numerical Simulation of Hydraulic Fracturing in Core of Rockfill Dam;
堆石坝心墙水力劈裂试验与数值模拟研究
AIRY STRESS FUNCTION METHOD FOR ANALYTIC SOLUTION OF STRESS FIELD DURING BRAZILIAN DISC TEST
巴西劈裂试验应力场解析解应力函数解法
Numerical simulation of split test process for asphalt mixture under heterogeneous state
非均质沥青混合料劈裂试验全过程数值模拟
The Dividing Test Research of AC-13C Asphalt Concrete in Liuzhou North Expressway
柳州北环高速公路AC-13C的劈裂试验研究
Energy Dissipation Analysis on Dynamic Splitting-Tensile Test of Steel Fiber Reinforced Concrete
钢纤维混凝土动态劈裂试验的能量耗散分析
testing methods for cleavage strength of adhesive bonds
胶粘剂劈裂强度试验方法
Brazilian test of rock
岩石的巴西劈裂拉伸试验
Test Study on Characteristic of Hydraulic Fracturing in Core of Earth-rockfill Dam
土石坝心墙料水力劈裂特性试验研究
Test method of cleavage strength of adhesive (metal to metal)
GB/T7749-1987胶粘剂劈裂强度试验方法(金属对金属)
EXPERIMENTAL STUDY ON SPLIT TEST WITH FLATTENED DISK AND TENSILE STRENGTH OF ROCK
平台巴西圆盘劈裂和岩石抗拉强度的试验研究
Experimental Study on Hydraulic Fracture Mechanism of Rock Mass and Numerical Simulation;
岩体水力劈裂机理试验及数值模拟研究
The Mechanical Analysis and Experimental Study on the Impact Cutting of Coal;
煤岩冲击劈裂效应的力学分析及试验研究
Fracturing Grouting Mechanism and Experiment Study in Low-Permeability Soil;
致密土体劈裂注浆的力学机理及试验研究
Physical Model Test and Numerical Analysis on the Mechanism of Hydraulic Fracturing of Earth Core Rockfill Dam;
黏土心墙水力劈裂机理试验及数值分析研究
Experimental Study on Splitting-tensile Strength of Centrifugal Shaping SFRC
离心成型钢纤维混凝土劈裂抗拉强度试验研究
Laboratory tests on compaction grouting and fracture grouting of clay
黏土中压密注浆及劈裂注浆室内模拟试验分析
