spall是什么意思

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用法例句

Experimental Research on Road Usage Performance of Materials for Subbase of Cement,Lime,Fly Ash Washed out by Seawater and Macadam Road;

水泥石灰海排灰碎石道路底基层材料的路用性能试验研究

Quality control of cement stabilized macadam mixture ratio;

水泥稳定碎石混合料配合比质量控制

The analyses of the Beiwu highway pavement with macadam(basalt)physical mechanic property;

北五公路路面用碎石(玄武岩)物理力学性能的分析

Methods of improving crushed stone quality;

提高碎石加工质量的有效方法

On the basis of the theory and procedure of Particle Flow Code in 2 Dimensions(PFC2D in this paper),Direct Shear Tests(DST) of crushed stone are studied by numerical analysis from the viewpoint of microcosmic to obtain the shear strength and deformation mechanism.

基于颗粒流理论及其PFC2D程序,在细观层次上从数值分析角度研究了碎石的直剪试验,从而揭示了其抗剪强度和变形机理。

The article theoretically analyzes the feasibility of utilizing the cement and cinder to stabilize the crushed stone.

该文对利用水泥和煤渣稳定碎石的可行性进行理论分析。

Treatment of ureteral calculi with transureteroscopic holium laser lithotripsy;

经输尿管镜钬激光碎石治疗输尿管结石

Severe infection after ureteroscopic holmium laser lithotripsy;

输尿管镜下钬激光碎石术后重症感染诊治体会(附专家点评)

Transureteroscopic pneumatic lithotripsy in the treatment of ureteral calculi(report of 650 cases);

输尿管镜联合气压弹道碎石治疗输尿管结石(附650例报告)

Cities using cement stabilized gravel road construction research.

城市道路采用水泥稳定碎石的施工探究。

Based on the result of load test,the data of test in silty clay foundation contained gravel is analyzed.

基于载荷试验的结果,对含碎石粉质粘性土地基检测的数据进行统计分析。

Through the experiment of cement stable gravel foundation to the local gravel of Shen Yang,unioning local actual explora- tion price is cheaper than the local materials of cement stable foundation.

通过对沈阳市当地碎石进行水泥稳定碎石路面基层试验,结合本地实际探索价格低廉易于就地取材的水泥稳定类基层材料,为充分利用地方自然资源和降低工程造价提供一条途径。

On-site construction quality inspection and control of broken stone cushion;

浅谈碎石换土垫层现场施工质量检查及控制

Based on the influencing factors on asphalt mixture quality and service life of pavement, the control methods of broken stone diameter, gradation, composition, content of grain less than 0.

针对影响沥青混合料生产质量及沥青路面使用寿命的各种因素,提出对碎石粒径与级配、颗粒组成一致性、粗集料中0。

Closely combine with construction practice and experience of one layer of road bed of cement fly ash broken stone in Ningbo,this text thoroughly discusses choice of its match ratio,construction techniques and quality control.

文章密切结合宁波地区水泥粉煤灰碎石层路基的施工实践和经验,就其配合比选择、施工工艺及施工质量控制等方面进行深入探讨,并提出如何做好水泥粉煤灰碎石层路基施工的具体建议,以期达到较好的工程应用效果。