双向塑料土工格栅挡土墙作为一种新型环保挡土墙，与传统重力式挡土墙相比，不但施工方便，造价较低，而且宜与工程周边环境相协调，生态环保，无论是在技术应用，还是经济效益方面都具有明显优势。目前，双向塑料土工格栅挡土墙因其先进的技术理念、优良的经济和社会效益，发展势头迅猛，已在我国工程建设的各个地区、各个领域崭露头角。在今后的变电站工程中，我们也应结合变电站站址的地形条件，加快推广环保新型双向塑料土工格栅挡土墙，在搞好电力建设的同时，实现降低造价、美化环境，从而最终实现电力建设的和谐大发展。
As a new type of environmental protection retaining wall, two-way plastic geogrid retaining wall is not only convenient in construction and low in cost compared with the traditional gravity retaining wall, but also suitable to coordinate with the surrounding environment of the project. It has obvious advantages in both technical application and economic benefits. At present, the two-way plastic geogrid retaining wall has developed rapidly because of its advanced technical concept, excellent economic and social benefits, and has emerged in various areas and fields of engineering construction in China. In the future substation project, we should also combine the topographical conditions of the substation site, speed up the promotion of environmental protection new two-way plastic geogrid retaining wall, while doing a good job in power construction, realize the reduction of cost, beautify the environment, and finally realize the harmonious development of power construction.
       双向塑料土工格栅挡土墙是一种新型边坡支挡结构，没有臃肿的圬工结构，其支护高度单级最高可达20m，应用范围十分广泛。它依靠填料颗粒和双向塑料土工格栅的嵌锁力和摩擦力来平衡水平土压力，以双向塑料土工格栅和填料组成的复合结构抵抗双向塑料土工格栅尾部填料所产生的土压力。双向塑料土工格栅作为新材料，本身具有拉力大、变形小、抗拔性能好、寿命长、施工便捷、造价省等优点，将其应用于挡土墙结构，由墙面、士工格栅以及墙后填料三部分组成，是一种新型的轻型挡土墙。
The two-way plastic geogrid retaining wall is a new type of slope supporting structure, which has no overstaffed masonry structure. Its supporting height can reach up to 20 m in a single level, and its application range is very wide. It balances the horizontal earth pressure by the embedding force and friction force of the filler particles and the two-way plastic geogrid, and resists the earth pressure produced by the filler at the tail of the two-way plastic geogrid by the composite structure composed of the two-way plastic geogrid and the filler. As a new material, bidirectional plastic geogrid has the advantages of large tensile force, small deformation, good pull-out resistance, long service life, convenient construction and low cost. It is a new type of light retaining wall, which is composed of wall, geogrid and filler behind the wall.
       这种挡土墙直接购买双向塑料土工格栅、土工袋等新型材料，质量易于控制，施工方便快捷，适用性强。这种挡土墙自身重量小，对地基要求低，可在软弱的地基土上施工，它的施工与土方工程同期进行，一般无需开挖基坑，只需在土方回填过程中铺设双向塑料土工格栅，工程量小，施工周期短。且属于柔性结构，抗震性能较好。另外，它最大的特点在于其坡面采用袋装种植土(内装草籽)堆砌，草籽发芽后，墙面会被草皮覆盖，能完全与变电站周围的环境融为一体，外表美观、绿色环保。
This kind of retaining wall directly purchases two-way plastic geogrid, geobag and other new materials, which is easy to control in quality, convenient in construction and highly applicable. This kind of retaining wall has small weight and low requirement for foundation. It can be constructed on soft foundation soil. Its construction is carried out in the same time as earthwork. Generally, it does not need to excavate foundation pit, but only needs to lay two-way plastic geogrid in the process of earthwork backfilling, with small quantities and short construction period. It belongs to flexible structure and has good seismic performance. In addition, its biggest feature is that its slope surface is stacked with bagged planting soil (with grass seeds inside). After the grass seeds germinate, the wall will be covered by turf, which can be completely integrated with the surrounding environment of the substation, with beautiful appearance and green environmental protection.
      双向塑料土工格栅挡土墙的经济效益分析。按照现行电力定及三类地区330kV变电站的取费标准，对以上不同类型、不同高度挡土墙的造价进行计算和对比分析，可以看出其经济效益的差异。
Economic benefit analysis of two-way plastic geogrid retaining wall. According to the current charging standard of 330kV substation in three types of areas, the cost of the above retaining walls of different types and heights is calculated and compared, and the difference in economic benefits can be seen.
      在支挡高度相同的情况下，双向塑料土工格栅挡土墙的造价低于传统的挡土墙，在经济.上具有明显优势，适合应用在支挡高度较大的工程。同时因其对砂石等材料消耗少，也适合于在石材少或价格高的地区应用。
In the case of the same retaining height, the cost of the two-way plastic geogrid retaining wall is lower than that of the traditional retaining wall, which has obvious advantages in economy and is suitable for projects with large retaining height. At the same time, due to its low consumption of sand and other materials, it is also suitable for application in areas with low or high price of stone.
      影响双向塑料土工格栅挡土墙工程造价的因素很多，其中边坡支挡高度、材料费是主要因素，其次是人工费和机械费。所以控制双向塑料土工格栅挡土墙的工程造价首先就是要尽量优化设计方案、减少材料的消耗，控制双向塑料土工格栅材料单价。其次，要注意合理安排施工工序，减少劳动力浪费。最后，管理人员的素质、经验等都直接影响管理的成本，还应适当注意，控制项目管理成本。
There are many factors that affect the construction cost of two-way plastic geogrid retaining wall, among which the height of slope support and material cost are the main factors, followed by labor cost and mechanical cost. Therefore, to control the engineering cost of the two-way plastic geogrid retaining wall, the first thing is to optimize the design scheme, reduce the consumption of materials, and control the unit price of the two-way plastic geogrid materials. Secondly, we should pay attention to the reasonable arrangement of construction procedures to reduce the waste of labor. Finally, the quality and experience of management personnel have a direct impact on the cost of management. We should also pay attention to control the cost of project management.
       相信大家看完以上内容以后，应该也对双向塑料土工格栅挡土墙的造价有所了解了，希望会对大家有所帮助吧。
I believe that after reading the above content, you should also understand the cost of two-way plastic geogrid retaining wall. I hope it will help you.
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