外文翻译--- 土石坝的施工

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1、河北工程大学毕业设计（论文） 1 1 外文翻译Rapid construction of the embankment dam Abstract : In recent decades, the soil core rockfill dam has gradually become the worlds construction of the high dam-one of the mainstream, With the new earth and the huge investments in machinery and construction technology of filling

2、 a higher level, Meanwhile dams in-depth testing, greatly expanding the embankment dam scope of the materials and the use of materials for model for more extensive embankment dam will provide favorable conditions to change the long-standing embankment dam with a long construction period, Filling the

3、 lack of low intensity, and further accelerate the progress of the construction, Filling in ensuring construction quality and safe operation under the premise to explore the rapid construction of embankment dams it is very necessary thing. Key words : embankment dam Rapid construction Construction 1

4、 Overview Also known as the embankment dam dam local materials, the necessary soil in situ stone mining in general, but can also make full use of the excavated material. having to basic requirements, low deformation based on the character, filling construction, and can be divided into RCC-grade. Fil

5、l-rockfill dam, directional blasting rockfill dam, the hydraulic fill dams, hydro-filled dam and masonry dam in different ways. Parabolic which administered rockfill dam no longer, directional blasting rockfill dam late settlement exist, not be planted within the dam prototype observation equipment

6、shortage, which are rarely used, hydraulic fill dams, Fill the water main in a special area of the lower dam height of the small and medium projects, the masonry dam strictly speaking belongs masonry dam category, At present, the extensive use of thin sections and the hierarchical compaction roller

7、compacted embankment dam. 2 The need for rapid construction With the dam construction technology, concrete gravity dam dam the technology continues to improve, while the rubber dam and other new dam-constant use, there is a traditional embankment dam filling a large quantity of a long time to build

8、the shortcomings become extremely prominent, how to fully exploit the technology itself embankment dam low, right foundation adaptability, full use of local materials to the traditional advantages to speed up the construction schedule, as Pa-an important option. Filling in ensuring the quality of co

9、nstruction and safe operation of the rapid construction premise is that the parties are concerned. 2.1 Based on the uncertainty, the need to accelerate the progress of measures 河北工程大学毕业设计（论文） 1 2 With the hydropower development progress in basic bad place to build a large embankment dams, In order t

10、o meet the capacity and infrastructure foundation impervious to the needs, often based on the completion of treatment can only be reclaimed after construction, however, foundation of a more complicated, especially in deep-cover construction projects, infrastructure projects are large, unpredictable

11、factors, often need cutoff Vibroflotation, curtain grouting, grouting consolidation of the foundation for the integrated treatment, handling difficult and complex examination, Based on the number of projects, foundation treatment completion and handover of face time is often more work plan by the ti

12、me lag. Filling started causing delay and the next gate or the completion of water storage often not be adjusted, resulting in an effective filling time, Construction units have had to resort to quick construction of measures will be scheduled according to the contract (or even ahead of) completion

13、of the project. 2.2 Hydro-meteorological, filling intensity of the proposed new standards Embankment dam of the hydro-meteorological factors are extremely sensitive and in the rainy season, soil moisture greatly influenced, directly restricts dam reclamation, construction intensity will be affected；

14、 winter, the soil on the cold, and if it does not take active measures is impossible to filling and filling winter rainy season, there is a high input, low output of the predicament, Construction units are often reluctant to assume, therefore, take full advantage of filling the golden season, try to

15、 avoid winter construction of the rainy season (or reduce the amount of filling winter rainy season), the construction unit is the first choice of the relative, the golden season, filling the quantity of work is often very substantial. Rapid construction can be avoided winter rainy season generous a

16、mount of filling the most important issue. 2.3 New Construction equipment and materials massive expansion of the scope of application is the basis for rapid construction With the improvement in the degree of mechanization, large capacity of earth and equipment used in construction, improved ergonomi

17、cs, thus laid for the rapid construction of the necessary material foundation for the formation of materials to expand the scope of application. the original dam material unsuitable materials can also be used as filling material, this rapid filling of the embankment dam with a new pillar. 3 Field da

18、ta mining Yard of the embankment dam importance is self-evident, it is also most likely to affect the smooth filling of the dam weaknesses, according to engineering practice. Generally, the material yard depth of geological exploration work is far less dam, especially the largest 河北工程大学毕业设计（论文） 1 3

19、volume filling of rockfills. Several exploratory often alone or topographic survey conducted geological description of the venue, and changes in the tender documents is a great possibility, or geological conditions undergone major changes. tender documents into useful information useless information

20、, or mining area is smaller, to create large-scale mining (or stairs mining), is not conducive to large-scale mining machinery. can directly control dam Regular filling, grading sound, but also can affect the dam fast filling the key In impermeable soil, the water level of the dam could also become

21、the key to rapid filling, therefore, sound and carefully reviewed for yard work and rehabilitation investigation it is particularly important to do a good job yard rechecking and reserve calculation, be aware of. If those conditions for the best in the dam filling part of the former reserves expecte

22、d to peak lowering finished Pinggu. 3.1 Road Construction To meet the need for rapid construction of a large number of machinery and equipment investment is inevitable, At present, more and more vehicles to transport large tonnage trends, the number of transport vehicles also require a corresponding

23、 increase on the road increasingly high demand, the practice has proven that better roads, transport vehicles higher attendance, Filling a corresponding increase efficiency, the saying goes, is the road repair, road construction is progress is the reason, General projects have adopted the mud stone

24、pavement, if those conditions for the local traffic is heavy use lots of concrete pavement, will greatly improve transport efficiency on the road layout, as far as the actual layout of the Central Bank into a two-lane, vehicles to avoid interference and improve the efficiency of cycling. 3.2 Rapid c

25、onstruction of the main methods and attention to the matter Completed all the preparations have reclaimed conditions, the construction units, as planned dam filling. strengthen the convergence process, reduce intermediate links, is the rapid construction of the highest priority. 3.2.1 Reasonable zon

26、ing routine dam, filling work is the key to rapid construction Because it was larger than the embankment dam for the dam surface area routine provided the necessary scenes, generally be divided into processes Shop filling materials, paving, watering and compaction, quality control, etc., If impermea

27、ble soil surface planing will be conducted hair, according to the actual situation, the Section will be divided into several processes with a few, If Section few equal to the number of manufacturing processes, people, machines, not idle； If the number is greater than Section several processes, people, planes idle, and idle； If the section of less than a few processes, people, machines leisure, not idle land, not the normal routine, Section conducted a number of operations and the number