这种基层具有较大的空隙率，能及时排走滞留在路面内部的水分，并能有效地减少反射裂缝的发生。

The base has bigger percent air voids and can promptly detain pavement interior water, and can effectively reduce the reflection crack.

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深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏，减少大块率，提高爆破效率等方面均具有重要的意义。

It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.

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分析了堤前植物带、护面结构和常用爬高公式对库区波浪爬高的影响，结果表明，堤前种植植物带和增大护面结构空隙率能有效地减小波浪爬高。

This paper analyzes the influence of wave raising height on slope in reservoir region by plant zone in front of embankment, pavement structure and common raising height formula.

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