石屑

研究石屑中石粉及其含量对混凝土性能影响，并通过XRD、TG、SEM技术分析了其作用机理。

The effect of stone powder contained in artificial sand on the concrete performance was studied in this paper .

最后，用RBF神经网络模型预测了石屑混凝土的长期干缩值。

Lastly , the values of long-term dry shrinkage of crushed sand concrete were observed and predicted by using RBF neural network model .

水灰比、灰砂比和UEA对石屑砂浆干燥收缩性能的影响

Effects of Water-Cement RatioC 、 ement-Aggregate Ratio and UEA on Drying Shrinkage of Stone Chips mortar

其次，通过对比试验分析了复合外加剂对石屑混凝土主要性能的影响，并通过扫描电镜（SEM）分析了其微观结构；

Secondly , by contrast experiments , the influence of compound admixture on main performance of crushed sand concrete was analyzed , and the microstructure of the concrete was explained by means of SEM .

CFG桩由碎石、石屑、粉煤灰、水泥和水组成。

CFG pile is composed of gravel , stone powder , flyash , cement and water , and is installed by vibration sinking pipe method .

结果表明，补偿收缩石屑砂浆的水中养护最终膨胀量随着UEA或MgO掺量的增大而增大；

Results show that the final expanding quantity of shrinkage compensating crushed stone mortar in the water increased with the increase of UEA or gentle MgO ;

掺加UEA改善了石屑砂浆的微观结构，且达到补偿收缩的目的。

With UEA Stone Chips mortars ' microstructure has been improved , the aim of Shrinkage - compensating can be achieved essentially .

CFG桩由碎石、石屑、粉煤灰和水泥及水拌和，制成一种粘结强度较高的桩体，与桩间土和碎石褥垫层一起构成CFG桩复合地基。

The CFG pile-foundation consists of the CFG piles made of mixing crushed stone , rock crumb , fly-ash , cement and water with higher binding strength and the cushion built with crushed tone .

CFG桩是指在碎石桩基础上加进一些石屑，粉煤灰和少量水泥，加水拌和制成的一种具有一定粘结强度的桩。

CFG pile is one kind of pile with bonding strength . It is formed on the base of gravel pile by appending some stone scraps , fine coal ash dumping and some little cement , then mixing with water .

最后，通过BET、XRD、SEM对补偿收缩石屑砂浆的微观机理进行了研究，并应用分形理论与粘弹性力学模型，结合试验结果对水镁石和钙矾石的膨胀规律进行了解释。

At last , microcosmic mechanism has been studied on shrinkage-compensating crushed stone mortar by BET , XRD and SEM methods . Conjuncted with the experiment results , the expansion discipline of Ettringite and Brucite was studied by using the theory of fractal geometry and viscoelastic mechanism model .

提出在CFG桩静载荷试验时，可以采用厚度为50～150mm的石屑+中粗砂、碎石+中粗砂或碎石+石屑垫层，桩间土的承载力发挥系数为0.75～1.0。

The suitable cushion thickness is 50 ~ 150 mm for a mixture of coarse sand and detritus , and the developing coefficient of bearing capacity of the soil between piles is 0.75 ~ 1.0 .

本研究利用不同含粘土量的硅质石屑作为硅质材料成功地制备了B05、B06级加气混凝土。

This experiment reports using clayish crushed stone for production of aerated concrete.B05 and B06 grade aerated concrete were prepared successfully using different clay content .

石灰石石屑代砂混凝土配制技术研究

Study on the Preparation Technology of Concrete Containing Limestone Aggregate Chips

对石屑混凝土的耐久性进行了对比研究。

The durability of stone-chip concrete is studied in this paper .

石屑混凝土的钢筋锈蚀性能试验研究

Testing Study on Reinforcement Rust Performance of Stone Chip Concrete

石屑代砂在混凝土中的研究与应用

Research and application of using stone chips instead of sand in concrete

含泥硅质石屑-石灰加气混凝土试验研究

Experimental Study of Silty Siliceous Crushed Stone-lime Aerated Concrete

水泥石屑稳定基层的疲劳和能耗优化设计

Fatigue and energy optimal design of CEMENT-SCREENING base course

石屑与天然砂有着相似的物理性质，是比较适宜的代砂材料。

The crushed stone dust and natural sand have very similar physical properties .

开发利用石屑与特细砂配制砼

Development and Use of Attles and Special Fine Sand in Making up Concrete

石屑代砂用于锚喷混凝土技术研究

Technical study on bolt & shot concrete by using scrap stone instead of sand

通过对比试验研究了石屑混凝土的力学性能。

Compared with ordinary concrete , the mechanical properties of stone-chip concrete were studied .

石屑混凝土专用测强曲线研究

Research of formula of strengthening stone chip concrete

补偿收缩石屑砂浆研究

Study on Shrinkage Compensating of Crushed Stone Mortar

复合外加剂对石屑混凝土主要性能的影响研究亚长石质岩屑砂屑岩

Research on the Influence of Compound Admixture on Main Performance of Crushed Sand Concrete

石屑砂浆性能研究

Study on behavior of stone chips mortar

石屑密实混凝土的研究

Study on the Dense Concrete Containing Chips

石屑代砂混凝土力学性能研究

Mechanical properties of concrete with limestone chips

通过水泥稳定碎石、石屑施工的现场检测与分析，表明选取的级配合理，获得预期效果。

It shows that the gradation used is reasonable and the result expected was obtained .

石屑混凝土研究与应用

Study and Application of Stone Chip Concrete