摘要：笔者在文中重点介绍了混凝土防渗渠道维修技术。
Abstract: : the author in this paper focuses on the concrete seepage channel maintenance techniques.
借助均匀设计理论和软件对防渗渠道塑膜铺衬机进行了试验研究。
Using uniformity design theory and software, the machine to pave geomembrane lining on the trapezoid canal has been researched and tested.
介绍了哈尔滨市防渗渠道的衬砌型式；分析了防渗渠道的破坏原因，并提出了抗冻胀措施。
This paper introduces the type of liner for seepage proof canal in Harbin and analyzes the damage reason to the canals.
推广使用混凝土和沥青混凝土、塑料薄膜等成熟的渠道防渗工程常用材料；
Popularize common materials for mature ditch anti-seepage projects such as concrete, bituminous concrete and plastic film.
给出了三种状态下防渗、维修或改建的判定原则及经济模型。结合算例，对渠道防渗效益进行了经济分析。
The judge principles and economic models have been concluded and with the examples for calculations, the economy of seepage control effectiveness of canals has been discussed.
节水技术包括：喷灌、微灌、渠道防渗、低压管道输水、田间灌水技术改进等。
Water saving techniques include spray irrigation, micro irrigation, channel leakage prevention, low pressure pipe transport of water, reform of field irrigation, and so on.
混凝土是我国渠道防渗工程主要采用的工程材料之一。
Concrete is one of major engineering materials used for canal seepage control in our country.
渠系输水损失占渠首总引水量的50%，渠道防渗是我国目前应用最广泛的节水工程技术。
Water losses in irrigation canal systems are about 50 percent, and canal anti-seepage as an engineering technique of water saving irrigation is widely used in China nowadays.
同时通过渠道防渗的工程实践探讨该材料的应用领域及施工工艺。
The application area and construction technique of this agent are also discussed combined with engineering practice of canal anti-seepage works.
研究了渠道防渗材料，衬砌结构形式，伸缩缝填料，施工机具对渠道防渗效果的影响。
The seepage controclling effects owing to factors of anti seepage materials, structure style of canal lining, expansion joint filler and construction machinery were studied by experiments.
详细介绍江西省于都县下栏水库三贯灌区应用的LZY成型渠道防渗技术。
LZY shaping canal anti-seepage technology was introduced and applied in the Shanguan irrigation area of Xialan reservoir in Yudu county of Jiangxi province.
为水泥土在西北地区的渠道防渗、过水土坝护面与垫层等方面的应用提供了基本的技术资料，有利于这种价格低廉的地方性建筑材料的推广使用。
The results provide basic data of cement-soil used for seepage prevention of irrigation canal and shield or cushion of silt-dam. It helps the spreading of the use of this low-price local material.
介绍了聚丙烯纤维对混凝土塑性收缩及抗渗性能的影响，并进行机理分析，最后展望了聚丙烯纤维混凝土在渠道防渗工程中的应用前景。
This paper introduces the influence of the polyropylene fiber on plastic shrinkage and anti-permeability of concrete, and the analysis of anti-cracking and impermeability mechanism.
通过渠道清淤防渗工程和小农水连片建设，有效地提高了灌溉水利用系数。
Seepage through the channel dredging project and the construction of small-scale water contiguous to effectively improve the utilization coefficient of irrigation water.
渠道膜料防渗在我国广泛应用，并已取得丰富的经验和显著的社会效益。
The membrane is widely used for canal lining in China, and its application has now gained rich experience and remarkable social benefit.
文章介绍白莲坡灌区在渠道防渗工程中，选用合理的断面形式，采用板膜复合结构，所取得的节水效果。
Using the proper way to deal with the canal in leaking project in the irrigation area of Bailian slope; since take the complex structure of plank &mold, gain the remarkable results.
这种周期性的冻融使许多坐落在土基上的输水渠道防渗体产生不同部位、不同形式和不同程度的冻融破坏。
It can lead many water canals'impervious blocks which are located in the soil base to freeze-thaw damage in different positions, different forms and varying degrees.
这种周期性的冻融使许多坐落在土基上的输水渠道防渗体产生不同部位、不同形式和不同程度的冻融破坏。
It can lead many water canals'impervious blocks which are located in the soil base to freeze-thaw damage in different positions, different forms and varying degrees.
应用推荐