本文選題：邊坡 + 雨水入滲�。� 參考：《長沙理工大學》2015年碩士論文

【摘要】：近幾年來,隨著高速公路的興建,其要求也越來越高,對于高速公路邊坡來說,邊坡的防排水工作的實施是一個重頭戲。而且現(xiàn)在邊坡建設不僅要求施工質量好、防水排水能力強,還要求邊坡防排水設施能與大自然相互銜接,融合為一體,在高速公路上形成一條綠色的屏障。國內外經(jīng)常在邊坡表面設置一些排水設施,而且這些排水設施因長年暴露于環(huán)境中,不可避免的發(fā)生一些破壞,而且損壞程度不可小覷。所以提供了一個思考點,即是否把排水設施設置在土體內部,把防護作用和排水作用結合在一起,這樣不僅能起到防排水作用,而且又能對自然界起到有利的影響,把生態(tài)防排水系統(tǒng)應用于高速公路上來。本文介紹了幾種新型的邊坡內排水系統(tǒng),能減少入侵土體淺層內部的水分,以達到維持土坡淺層穩(wěn)定性及生態(tài)美觀性的要求。首先對此問題的研究查閱了大量的相關文獻,了解到邊坡排水的一些方法,認識到防排水工程中存在一些問題及新型防排水系統(tǒng)的必要性。在此問題的基礎上,本文研究了幾種在邊坡內部設置內排水系統(tǒng)減少雨水沖刷和雨水入滲的方法,并通過室內試驗證了這些排水方法的效果,進而通過相互之間對比,得出內排水方法的特點:(1)塑料排水板及水平菱形網(wǎng)排水系統(tǒng)可以橫向進行疏水,其垂直方向也能阻礙水汽在重力作用下的遷移,而復合菱形排水網(wǎng)系統(tǒng)能起到隔離作用,能更好防治雨水往土體內部入滲,排水效果更好。(2)這幾種邊坡內排水系統(tǒng)把邊坡防護系統(tǒng)和排水系統(tǒng)結合到了一起,在土坡內部能夠起到加筋作用,起到良好的固土效應,而且又能發(fā)揮其排水效果。(3)塑料排水板、復合菱形排水網(wǎng)、水平菱形排水網(wǎng)內排水系統(tǒng)具有整體美觀性,在邊坡內部設有這種排水系統(tǒng),不影響邊坡表面的植草防護,不僅如此,它還能為植物根系提供水分的補給,具有生態(tài)性。這種具有內排水系統(tǒng)在實際工程施工中具有借鑒性,為創(chuàng)造一種更優(yōu)化更完善的邊坡防排水系統(tǒng)作為一個思考。
[Abstract]:In recent years, with the construction of expressway, its requirements are becoming higher and higher. For highway slope, the implementation of slope drainage prevention and drainage work is an important play. And now slope construction not only requires good construction quality, strong waterproof and drainage capacity, but also requires slope waterproof and drainage facilities can be connected with nature and integrated into one, forming a green barrier on the highway. At home and abroad, some drainage facilities are often installed on the slope surface, and these drainage facilities are inevitably damaged because they are exposed to the environment for many years, and the degree of damage is not to be underestimated. So it provides a point to think about, that is, whether to set up the drainage facilities inside the soil, and to combine the protective effect with the drainage function, which can not only play the role of water prevention and drainage, but also have a beneficial effect on the nature. The ecological waterproofing and drainage system is applied to the expressway. In this paper, several new types of slope drainage systems are introduced, which can reduce the moisture content in the shallow layer of the intrusive soil, and meet the requirements of maintaining the stability of the shallow layer of the slope and the ecological beauty of the slope. First of all, a large number of related documents have been consulted, some methods of slope drainage have been known, and some problems in waterproofing and drainage engineering and the necessity of new drainage system have been recognized. On the basis of this problem, this paper studies several methods of reducing Rain Water erosion and Rain Water infiltration by setting internal drainage system inside the slope, and verifies the effect of these drainage methods through laboratory tests, and then compares them with each other. The characteristics of internal drainage methods are obtained as follows: (1) plastic drainage plates and horizontal rhombic net drainage systems can drain water horizontally, and their vertical direction can also hinder the migration of water vapor under the action of gravity, while the compound rhombic drainage net system can act as an isolator. It can better prevent the infiltration of Rain Water into the soil, and the drainage effect is better. (2) the slope protection system and the drainage system are combined together, which can play a reinforced role in the interior of the soil slope and play a good role in the consolidation of soil. And it can also play its drainage effect. (3) plastic drainage plate, compound rhombic drainage net, horizontal rhomboid drainage net internal drainage system has the overall beauty, this kind of drainage system is installed inside the slope, does not affect the slope surface grass protection, Not only that, it can also provide water supply for plant roots, with ecological. This kind of internal drainage system can be used for reference in actual engineering construction, so as to create a more optimized and more perfect slope drainage system as a reflection.
【學位授予單位】：長沙理工大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：U417.3

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