透水性能

地基的上部垫层和下卧土层的透水性能对固结速率具有较大的影响。

The permeability of the impeded layers has important influence on the consolidation rate .

红壤农田的渗漏量及透水性能对评价红壤水土流失状况具有很重要的意义。

The soil water leakage and permeability are useful to evaluate the status of water and soil loss in red soil farmland .

兼顾植物生长、强度及透水性能，单粒级植生混凝土骨料粒径宜在20～25mm之间。

The study demonstrates that the appropriate grain size of the coarse aggregates for the plant-growing concrete are favourable to be 20 ~ 25 mm under the comprehensive consideration of both the plant growing strength and the permeability performance of the concrete concerned .

混凝土桥面防水层不透水性能试验研究

Test study on watertightness of waterproofing layer on concrete bridge deck

第二添加剂对提高膜透水性能影响的研究

A Study of the Second Addition to Raising Perviousness of Membrane

实验表明，四种森林群落下土壤的透水性能良好。

The results showed that the penetrability of the soil was good .

地表层状土壤透水性能的试验研究

Field experimental study of infiltration capacity of layer soil

排水层沥青混合料设计与透水性能评价

The Permeability Evaluation and Design of Permeable Asphalt Mixtures

植生混凝土的透水性能研究

Light ; Study on perviousness of plant-growing concrete

土壤的机械组成逐渐由粘土向粗粉、中粉和细粉转化，土壤结构良好，通气透水性能加大。

The component of soil gradually transformed clayey soils into coarse soils , middle granule and fine soils .

综合考虑多孔沥青混凝土的力学性能和透水性能，在相同的高孔隙率下，增加粗集料的接触率有利于提高多孔沥青混凝土强度。

Regarding strength and porous capability , the increase of touching ratio increase of coarse aggregate can improve strength remarkably .

结果表明：地表层土壤的透水性能较犁底层土壤透水性能好；

The results have shown that the surface stratum 's infiltration capacity was better than the bottom of ploughed stratum 's.

以废陶瓷为主要原料，成功地制备了透水性能好、强度高的透水砖样品。

Water permeable brick with extra in permeability , high compressive strength was made successfully with discarded ceramics in this paper .

研究水灰比、水泥用量、再生骨料颗粒级配对力学性能及透水性能的影响。

To study the influence of mechanical performance and water permeability of recycled aggregate pervious concrete by water-cement ratio , cement content and grain series of recycled aggregate .

另外，对多孔水泥混凝土的透水性能进行了研究，通过建立有效孔隙率、孔径大小与渗透系数的关系，结合其实际透水性能，得出了满足一般排水性路面排水要求的有效孔隙率范围和级配。

A constant head permeameter was developed to ascertain the water permeability of porous cement concrete , the influence of the porosity and pore size on the water permeability was studied .

结果表明：尾矿废弃地土壤以砂粉土为主，通气透水性能差，渗透系数小，易造成地面积水；

The results showed : the soil of tailing abandoned land was mainly consisted of the sandy powder , it happened to plash in the raining day for the poor ventilation and infiltrative coefficient .

在灌注后情况恰恰相反，渗透系数在0.11～0.85cm/s间，表明灌注后多孔混凝土透水性能大幅降低，但仍属强透水材料之列；

Reversely , the values are 0.11 ~ 0.85 after the filling , which shows that the perviousness of the porous concrete decreases greatly , however , it also belongs to the high permeable material .

结果表明，4种红壤的持水和透水性能存在不同程度差异，其原因是不同成土母质的土壤机械组成、土壤结构的变化造成的。

The results show that varying differences exist between the four soils in water-holding capacity and permeability because of differences in soil mechanic composition and soil structure as a result of their difference in parent material .

此外，通过三种强化措施在保证透水性能要求的同时提高强度。（4）研究制备复合型生态透水砖及其铺装工艺。

In addition , using three strengthen measures to ensure that the requirements of permeability performance at the same time improve the strength . ( 4 ) Study on preparation and paving techniques of compound eco-pervious brick .

为提高我国公路及城市道路的透水性能及吸音功能，特介绍德国透水沥青路面的级配、路肩设计、施工要点及有关试验。

To improve the perviousness and sound-absorptivity of highways and urban roads in our country , the grading , shoulder design , key points of construction and the relevant tests for pervious asphalt pavement of Germany are introduced here for reference .

搅拌方式及成型工艺对透水砼性能的影响

Influence of Mixing Method and Formation Technique on Porous Concrete Properties

若干因素对多孔透水混凝土性能的影响

Effects of Some Factors on Properties of Porous Pervious Concrete

成型方式和砂率对透水混凝土性能的影响

Impact of formation way and sand ratio to the pervious concrete performance

工艺参数对陶瓷透水砖性能影响的研究

Study on effects of processing parameters upon properties of water permeable ceramic brick

研究了成型方法、原料配比、成型压力、练泥遍数及烧成制度等工艺条件对多孔透水砖性能的影响。

The effect of the technological conditions such as molding method , raw material proportioning , pugging times and sintering system on the performances of porous permeable bricks was studied .

利用混凝土空隙部位的透气、透水等性能，渗透植物所需营养，生长植物根系的特点种植小草、低的灌木等植物。

Plant small grass and bush using the feature of concrete air gap such as air permeability and water permeability to penetrate plant required nutrition and to grow plant root system .

STRATA应力吸收层是一种用于防止沥青加铺层反射裂缝的新型沥青混合料，它采用特殊聚合物对沥青进行改性，具有高弹性、不透水及抗裂性能好的优点。

STRATA is a kind of new asphalt mixture with anti-crack capacity for asphalt overlay , the asphalt in STRATA is modified by using special polymer , STRATA has the advantages of high flexibility , waterproof and excellent anti-crack capability .

聚合物对透水性混凝土性能的影响研究

Research on polymer 's influence on permeable concrete 's performance

水灰比对多孔透水混凝土的性能影响较小；

Mass ratio of water to cement has minor effect on properties of PPC .

加入中砂后，透水混凝土耐磨性能也有很大提高。

After adding the sand , abrasion resistance of pervious concrete has been improved too .