
无侧限压缩试验;无围压缩试验
The tests include compaction test, unconfined compression test, dynamic strength and dynamic strain test and so on.
包括击实试验、无侧限强度试验、动应变和动强度试验等。
In order to study the fiber, fiber cement on the strength of Yunnan red clay, red clay of the improved direct shear tests carried out and the unconfined compression test.
为了研究纤维、纤维水泥对云南红粘土强度的影响,对改良后的红粘土进行了直剪试验和无侧限抗压试验。
The shearing properties of asphalt mixture in wearing layer of a testing section of Gangzhou-Wuzhou Expressway are evaluated by the single penetration test and unconfined compression test.
为了评价不同级配类型沥青混合料的抗剪性能,采用单轴贯入法对混合料进行抗剪试验。
Based on discussion of its mechanism, the unconfined compression strength test is discussed and compared with ordinary cement-stabilized soil.
从水泥土固化机理出发,讨论并对比了掺加工业废料加固土与普通水泥土的无侧限抗压强度试验。
In this paper, according to the require of deep mining, the unconfined uniaxial compression strength test of backfill at a different ratio, different density and different curing age has been done.
根据矿山深井开采的需要,对不同灰砂配比、重量浓度和养护时间的高浓度水泥尾砂充填体试块在建材压力机上进行了无侧限单轴压缩强度测试。
Based on the previous research, in this paper the mechanical characteristics of undisturbed and remoulded sample was presented by unconfined compression and consolidation test results.
在前期研究工作的基础上通过无侧限抗压试验和大量的室内固结试验,得到了原状土和重塑土的力学性质变化规律;
This paper introduces the results of unconfined compression test, direct shear test and unconsolidated undrained triaxial test for saturated clay at a site in shanghai.
本文介绍了上海菜工程地基饱和粘土的无侧限试验、直剪试验及三轴不固结不排水试验的结果。
This model contains 9 parameters which can be easily determined by conventional both confined and unconfined compression test.
模型的计算参数共有9个,可以方便地通过原状土的有侧限和无侧限压缩试验测定。
Then a strength equation related with the electrical resistivity of soil-cement was obtained by analyzing the results of unconfined compression strength test.
结果表明,水泥土和孔隙水电阻率随溶液浓度增大而减小,随龄期的增大而增大;
Through the unconfined compression test and triaxial rigidity test without drain, the authors stu***d the properties and influence of different formula for the clay-cement grout.
通过对不同配比的粘土-水泥浆液结石体的室内无侧限抗压强度试验以及三轴固结不排水试验,揭示了各因素对粘土-水泥浆液结石体性质的影响。
无侧限压缩试验(Unconfined Compression Test)是土力学中用于测定黏性土抗压强度的一种基础实验方法。该试验通过向圆柱形土样施加轴向荷载,在无侧向约束条件下,测量土样在单轴压力作用下的变形与破坏特性。其核心原理基于土体在无侧限状态下的应力-应变关系,试验结果可直接得出无侧限抗压强度($q_u$),计算公式为:
$$
qu = frac{P{max}}{A}
$$
其中$P_{max}$为最大轴向荷载,$A$为土样初始横截面积。
该试验主要应用于黏性土分类、地基承载力评估及边坡稳定性分析。例如,在土木工程中,工程师可通过该试验快速判断软黏土是否适用于路基填筑。试验需使用标准制样设备制备高径比为2:1的土样,并通过应变控制式加载装置以1%/分钟的速率加压,直至土样发生剪切破坏。
权威机构如ASTM International在标准D2166中规范了试验流程,强调需记录应力峰值与残余强度值,并建议结合含水量数据综合分析。美国国家交通部的研究指出,该试验对饱和度>95%的土样最具可靠性,而对含砂量较高的土壤需配合三轴试验验证。
来源说明:
Unconfined Compression Test(无侧限压缩试验) 是岩土工程中用于测定材料在无侧向约束条件下抗压强度的试验方法。以下是详细解释:
该试验通过向圆柱形试样施加轴向压力直至破坏,测定其无侧限抗压强度(Unconfined Compressive Strength),即材料在无侧向限制时的最大承载能力。适用于黏土、软岩等具有一定内聚力的材料。
常用设备包括无围压缩试验仪(Unconfined Compression Apparatus),部分系统需配合专用传感器和软件(如GCTS无线点载荷测试系统)。试验需遵循ASTM D2166等国际标准。
如需更完整信息,可参考工程试验手册或专业学术文献。
anthologycrunchycurvedhooliganismparenthoodpilomotorrationswettercontinental margincovering layerdark chocolateinternal motivationantitrustbegoniabenzaronebiophotometercalamistrumCestoideachlorophyllindiscussibleduckfootemplacementenislehinesolhydrofininghydrolineinfrequencykinetocythemiametacrystalQuan