迎水面

试验结果表明，只有将其施作在迎水面时才能使其防水效能得到理想的发挥。

The result shows that its impermeability depends on the position of the layer and its perfect performance can be achieved only when the layer was on the upstream face of underground construction .

普通钢筋混凝土连续梁桥因具有许多优点，在城市建设中得到了比较广泛的应用，但由于其迎水面带裂缝工作的特点，会影响结构的使用寿命，并因此可能增加维护费用。

Common concrete bridges are extensively applied in the urban construction because of its various advantages , but the service life of a structure would be influenced by the property of working with cracks at the upstream face , so that the maintenance cost would be increased .

大体积砼结构迎水面裂缝防治初探

Crack Control for Water Attaining Surface of Massive Concrete Structures

依靠坝体自身结合坝体上游迎水面网喷混凝土防渗技术；

Watertight shotcrete for the dam face with anchorage into the dam body ;

柘溪大头坝迎水面垂直裂缝扩展过程的研究

Calculation of vertical crack propagation on the upstream face of the Zhexi single buttress dam

本文就斜交桥梁迎水面外形尺寸的计算及绘图提供了一套切实可行的方法，对其施工注意事项予以简要说明。

This paper supply a realistic method of skew bridge upstream outside calculating and drawing .

在潮湿基面上施工，迎水面和背水面均可施工。

In the wet surface of the base construction , positive side and back surface can be the construction .

结果表明，利用胶性材料处理运行中的重力坝迎水面裂缝，技术可靠，方法简单，经济合理。

The treatment result shows the technique is dependable , the method is simple , the treatment is economical and reasonable .

受刺坝壅水作用，刺坝迎水面水位明显高于背水面。

For the backwater effect , water level in upstream face of the fish bones is much higher than that in the downstream face .

除了常用的迎水面防水技术之外，背水面防水则更为困难、在某些条件下甚至无其他方法可代替。

Besides usually adopted positive side water proofing technique , the negative side water proofing is a more difficult and unsubstitutional engineering measure under certain conditions .

结果表明：堵体最大顺河向位移发生在堵体迎水面上，而横向变位值很小。

The result indicates that the maximum displacement along river takes place on the A-A water face of blocking body , the transverse displacement is very small .

水中杂物被阻挡在几何形状体的迎水面，水由其他面的孔洞中排泄。

The sundries in water are blocked on the water-side face of the geometric body , and then water can be drained out via the holes of other sides .

迎水面冲击荷载分布沿水平方向变化规律不明显，沿竖直方向随着高度的增大而逐渐减小。

Results show that the variation of impact loading distributions in the horizontal direction is not obvious but that decrease gradually with the vertical distance from bottom to top in the vertical direction .

分别测试了迎水面形状对称与否、有无附加鳍以及附加鳍位置对稳定性的影响。

Tests are made to verify whether the sy ￣ mmetrical leading surface and the additional fin as well as the location of the fin base have any influence on stability of the system .

分析了地下室底板迎水面柔性防水存在的弊端，结合防水新材料的应用，介绍了地下室底板采用背水面刚韧性防水的新方法及其优点。

Drawbacks exist in flexible outside waterproofing for basement base plate . In the light of new waterproof material used the article introduces a new method of rigid-ductile inside waterproofing for basement base plate as well as its advantages .

大坝结构缝、裂缝漏水问题较为常见，以往因技术、设备、材料的限制，多数在背水面被动地进行处理，迎水面水下处理相当困难或处理效果事倍功半。

Treating leakage through dam structure joints and cracks was limited by technology , equipment and materials in the past , most need passively repairing at downstream face , repairing at upstream face is not only extremely difficult but also spend much money and time .