gravel well 中文意思是什麼

gravel well 解釋
礫壁井
  • gravel : n 1 〈集合詞〉砂礫，礫石。2 【地質學；地理學】砂石，礫。 gravel bed 礫層。3 【醫學】尿砂。vt （〈...
  • well : n 1 井。2 泉水；源頭，來源。3 坑，穴，凹處；【礦物】礦井，豎坑；【軍事】（地雷的）井坑；【建築】...
  1. The result shows that a sequence boundary is identified inside member 2 of sangonghe formation of lower jurassic, which is characterized by lithology of scour surface and conglomerate and gravel bearing gritstone over it, and by well logs of abrupt contact

    通過巖心、錄井、測井、地震的綜合研究發現，在下侏羅統三工河組二段內部可以識別出一個三級層序界面。
  2. Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay, nylon net packing around well tube filters, designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc. we succeeded in constructing 3 drinking - water wells in minqin county, proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area

    通過孔徑與管徑的調配設計，增大環狀粒料層和止水粘土層的厚度；濾水管外包尼龍紗網；粒料與止水粘土接觸界面上設計反濾層；填粒后先行拉活塞利用水力夯實粒料層，再投粘土球止掉上部鹹水等措施，在民勤縣三口人飲水井施工中取得顯著效果，證明了該套成井工藝的有效性和可行性，有望為同類地區人飲水井施工提供技術示範作用。
  3. The major diameter filling pile drilling machine of qj250 - 1 type applies to major diameter bridge pier hole of various geologic conditions such as ravelly ground, clay loam layer, sandy gravel, breaking layer and lithosphere as well as other various major diameter pore forming construction

    1型大直徑灌注樁鉆孔機適用於鬆散地層、粘泥層、砂礫層、破碎層和巖石層等多種地質條件的大直徑橋樁孔，以及其它各種大直徑成孔施工。
  4. We can use both calcium carbide dust and calcium carbide dust - flyash to stabilize fine - soil. as well as being used in subbase of high grade road, calcium carbide dust stabilization and calcium carbide dust - flyash stabilization can be used in basecourse of low grade road. so we can deduce that calcium carbide dust - flyash - gravel stabilization can be used in basecourse of high grade road

    我們可以利用電石灰來穩定細粒土，利用電石灰和粉煤灰來穩定細粒土。通過數據分析，這種電石灰穩定土和電石灰二灰土完全可以剛于高等級公路的高級路面的底基層，也可以用於低等級公路的路面基層，同時推斷，用電石灰和粉煤灰來穩定的級配碎石，可用於高等級公路的路面基層。
  5. The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks, and then the requirement and the safety degree of the gravel filling are given

    摘要通過試驗模擬研究了預制混凝土連鎖塊在洪水期水流中的受力狀況、整體穩定性、孔內填充碎石的作用及連鎖塊阻力參數，綜合分析了連鎖塊結構的力學穩定性和抗沖性，給出了碎石填充的要求及安全度。
  6. Study of blasting techniques of frozen gravel stratum in vertical well tunneling

    立井掘進凍結礫石層爆破技術初步研究
  7. Several kinds of methods for repairing wells using u - pvc strainer pasted gravel are introduced in this paper. the advantages of this technique are showed through a repairing well experiment in the daqing district

    摘要介紹了u - pvc塑料貼礫濾水管井中二次成井的幾種方法；以大慶地區的試驗為例，說明該技術的優越性。
  8. The university was pro - active in making the well - being of the flame tree outside the station an important consideration in the improvement project. strict supervision was in place during the work so that the tree would not be affected. a gravel layer was added to provide protection for the root area of the tree

    大學積極保育火車站外的一株鳳凰木，該樹亦被列入改善工程的重要考慮因素，嚴格監控在施工期間鳳凰木不會受到工程影響，並特別用疏水石堆成保護層，保護鳳凰木的根部。
  9. Test result indicates that, by means of using proper gravel - gradation and technology, the performance of pumice concrete can well meet the need of our country wall materials

    試驗結果表明，利用適當的骨料級配和生產工藝，可使浮石混凝土的各項性能指標能很好地滿足目前我國的建築墻體材料性能要求。
  10. Based on the roller - compacted test, check on construction and observation during operation, the fill - criteria of the design for the dam is obtained, and then the economic and reasonable roller compacted method, including selection of the roller, mechanical parameters, watering amount for material of sandy gravel etc., is determined as well

    摘要通過碾壓試驗、施工復核及大壩運行觀測，得到了大壩的設計填築標準，從而確定了經濟合理的壓實方法，包括壓實機械選型、機械參數、砂礫料加水量等。
  11. In order to know the characteristics of the material, analysis on the particle gradation and the related tests on seepage and seepage deformation are made, with which the problems related to the cushion layer material mainly composed of the natural sandy gravel are solved, and the construction demand is met as well, which can provide a reference for the other similar project

    為掌握其特性，進行了顆粒級配分析、滲透和滲透變形等項試驗，研究解決了以天然砂礫料為主的墊層料的水力學指標問題，滿足了工程需要，可為類似工程應用提供參考。
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