crack resistance 中文意思是什麼

crack resistance 解釋
抗龜裂性
  • crack : vt 1 使破裂;敲破,敲碎,砸碎(陶器等);嗑(瓜子等);【化學】裂化(石油等)。2 把(槍打得、鞭子...
  • resistance : n. 1. 抵抗,反抗,抗拒,抵禦;敵對,抵抗力,反抗力,阻力,【生物學】抗病性。2. 【電學】電阻;阻抗;電阻器。
  1. Analysis of hydration heat and crack - resistance of high micro - slag in mass concrete

    微礦粉在大體積混凝土中水化熱及抗裂分析
  2. Standard test method for cold - crack resistance of upholstery leather

    傢具革耐凍裂性的標準試驗方法
  3. Because the best grade limits does not vary with material property, firstly, we can confine material grade to the best grade limits when doing subbase mixture design, secondly, after systematic temperature contraction test, aridity contraction test and compressive strength correction test, we can determine the best cement percentage which has the best crack resistance property

    因為最佳級配范圍是與粒料的粒徑大小有關的,所以在基層材料配合比設計時可首先將材料級配限制在最佳級配范圍以內,然後通過系統的溫縮、干縮性能試驗以及抗壓強度校核試驗,最終確定抗裂性較好的合理水泥劑量。
  4. We must take account of crack resistance when doing mixture design. after systematic and scientific determination and analysis of temperature contraction property, aridity contraction property and strength index, the thesis have chosen the best grade limits in which crack resistance and compressive strength are high. this conclusion is based upon standard ? grade limits of cement stabilizing crushed stones subbase

    本課題在對水泥穩定類材料溫縮、干縮性能以及強度和模量等指標的測試分析前提下,以規范原有的水泥穩定碎石基層級配范圍為基礎,選擇出抗裂性和抗壓強度兩項指標俱佳的級配范圍。
  5. Products function : put our “ sun shine ” brand carbon steel fiber evenly seep into concrete to form steel fiber reinforced concrete and it can decrease the thickness of reinforced concrete by half, it not only shorten the project time, save the material and manpower expense, bring distinct economic benefit, but also increase the performance of crack resistance, percussion resistance, tensile strength, bend resistance. scosspr resostamce amd wear resistance of the reinforced base materials. if the weight ratio of 2 % steel fiber seep into the concrete, it can solve the brittleness problem of the concrete, in the condition of 60 % ralative air humidity, after 21days air - dry, even 520 days air - dry, it ' s difficult to find any crack by eyesight, the bend resistance for the steel fiber concrete is 140 times stronger than the concrete without steel fiber, the capability of impact resistance increase 10 times

    產品功能:將本公司「雙興」牌碳鋼纖維系列產品均勻地摻入混凝土中,形成鋼纖維增強混凝土,可使工程中鋼筋混凝土的施工厚度降低一半,不僅縮短了施工工期,節省了材料和人工費用,帶來顯著的經濟效益,且增強了基體的抗裂、抗沖擊、抗彎、抗剪、耐磨擦等性能,如摻入本公司2 %鋼纖維的混凝土,不僅解決了混凝土的脆性問題,在空氣相對濕度60 %的條件下風干21天後,甚至在風干520天,肉眼很難發現裂縫,摻入鋼纖維后的增強混凝土比不摻鋼纖維的混凝土抗彎強度提高140倍,耐沖擊荷載提高10倍。
  6. According to the analysis of experiment on crack resistance of jetted piles under different pre - stress, it is concluded that the problem of cracks of pre - stressed jetted piles can be solved under proper adjustment of pre - stress

    摘要通過在不同預應力作用下水沖樁抗裂性能試驗分析,提出對預應力做相應調整,能夠解決預應力水沖樁裂縫問題。
  7. Secondly, making use of the road condition and date of different districts of hebei province, the main diseases of road are analyzed, and combined with the local climate, the factors that cause these diseases are analyzed too. this article discusses the factors, including the quality of asphalt and aggregate, gradation and bituminous quantity, effect on the performance of asphalt mixture. finally, through some new key technical index, including the high - temperature rut resistance, low - temperature crack resistance, and water stability of asphalt pavement, the material types, material grade and pavement structure have been put forward to be fit for asphalt pavements of every area of hebei province

    其次,通過對全省各地市的路況、氣候等資料進行實地調查,利用收集上來的資料分析河北省的主要道路病害,並結合當地的氣候情況,分析病害的主要類型及特徵,找出病害的主導因素,並利用一些新的關鍵性指標(如試驗方法、評定指標等)來分析瀝青路面的高溫抗車轍性、低溫抗裂性和水穩定性等瀝青結合料和瀝青混合料的相關路用性能。
  8. The creep of concrete can be improved by appropriately lowering concrete ' s temperature, choosing applicable aggregates, and incorporating fiber and polyester, which results in the improvement of the crack resistance property of concrete and provides reference for project practices

    通過適當降低混凝土強度、選用適當的骨料、摻入纖維和聚合物等方法來提高混凝土的徐變,從而提高混凝土抗裂性能,為工程實踐提供參考。
  9. Based on several actual cases, the temperature control measures for roller compacted concrete ( rcc ) gravity dam and arch dam such as structural jointing for construction ; lowering of concrete placing temperature ; water pipe cooling ; surface insulation ; inclined - layer placing etc., the measures to improve the material properties i. e. the application of micro - expanding concrete ; enhancement of material crack - resistance property and the requirement for the simulative analysis on both the temperature field and stress field as well as some problems concerned are summarized herein on the basis of the analysis on the material properties ; construction characteristics and the changing characteristics of the thermal stress of roller compacted concrete

    摘要從碾壓混凝土的材料特性、施工特點、溫度場溫度應力的變化特點入手,結合幾個工程總結了碾壓混凝土重力壩、拱壩的分縫方式,降低澆築溫度、水管冷卻、表面保溫、施斜層碾壓等溫控措施,採用微膨脹混凝土、提高材料抗裂性能等改善材料性能措施及碾壓混凝土溫度場、應力場模擬分析的要求和應注意的問題。
  10. Test method for determination of environmental stress crack resistance of polyethylene pipe

    聚氯乙烯管耐環境應力裂紋測定方法
  11. Standard test method for environmental stress - crack resistance of blow - molded polyethylene containers

    吹模製聚乙烯容器抗環境應力裂紋的標準試驗方法
  12. A new kind of multiple anti - cracking additive composed of multiple organic and inorganic ingredient is developed. lt improves anti - cracking and impermeability property of concrete. and can meet the demands of compressive strength and workability of fresh concrete. at the same time, we offer the integrity manufacture method of anti - cracking hpc. we discussed the relationship among compositions, construction and properties, studied the chemical reactions of phases, made the mechanism of reinforced and crack - resistance of concrete clear, and made concrete designed according to properties and engineering demand

    通過系統深入的理論分析,運用多種現代分析測試手段,從材料各組份間的物理化學作用入手,系統研究材料中各組分與結構性能之間的關系,各相之間化學反應和各相分佈狀態,在已知的化學反應動力學和反應機理的基礎上,探明材料增強和抗裂原理,胡建勤:高性能混凝土抗裂性能及其機理的研究實現材料性能可設計的目的。
  13. And compared with ordinary concrete, high performance concrete adding fly ash shows better workability. but there is an optimum mixing dosage of fly ash for crack resistance of concrete

    與普通混凝土相比,摻入粉煤灰可以改善混凝土拌和物的和易性,但粉煤灰對于混凝土的抗裂性存在一個最優的摻量。
  14. The stress - strain curve of new - old concrete and hprrc, are suggested to be modeled by two sections : the ascending section of the stress - strain curve is simulated by cubic parabola equation and the descending section is simulated by rational fraction, where the theoretical value is in good agreement with the test value. the research results also provide a theoretical basis of earlier stage for improving crack resistance of new - old concrete interface

    新一老硅及hprrc應力一應變全曲線建議採用兩段式擬合:上升段採用三次拋物線方程模擬,下降段採用有理分式模擬,理論值與試驗結果吻合較好。該研究成果為新老混凝土結合面抗裂能力的提高提供了前期的理論基礎。
  15. Next was an experimental study on modification of stone ballast concrete small hollow block. the influence of polypropylene fiber, expansion agent and both of them on permeability - resistance and both moisture expansion and dry shrinkage of the block were systematically tested. the testing results and theoretical analysis slowed that they all can improve its properties, among which polypropylene fiber can most effectively restrain it ’ s moisture expansion and drying shrinkage ; however, the block doubly blended with polypropylene fiber and expansion agent will be likely to most beneficially improve crack - resistance of wall filled with the block

    試驗結果和理論分析表明,單摻聚丙烯纖維、單摻膨脹劑和雙摻聚丙烯纖維與膨脹劑均能改善混凝土空心砌塊的性能,其中,聚丙烯纖維更有利於限制單個砌塊的濕漲干縮,單摻聚丙烯纖維的空心砌塊濕脹干縮的波動性最小;雙摻聚丙烯纖維與膨脹劑對限制石渣砌塊濕脹干縮的效果不理想,但雙摻砌塊將更有利增強于砌塊填充墻的整體抗裂性。
  16. Then, by analyzing the extensive test data of load - displacement and bear - curvature, we can conclude that the crack resistance, bearing capacity of normal section and short - dated rigidity will be improved a lot when the strength of concrete is not so low

    然後,通過對各組試件的荷載-撓度曲線的進一步分析表明:對于混凝土強度等級高於c15的鋼筋混凝土梁,採用這種粘角鋼加固法能有效提高鋼筋混凝土梁的正截面承載力和短期剛度。
  17. Experiment results show that prestressing force can greatly improve masonry crack - resistance behavior and the carrying capacity of crack - resistance is greatly improved after being prestressed

    試驗表明對砌體墻施加預應力,大大提高了墻體的開裂荷載,改善了砌體結構的抗裂性能。
  18. Therefore, the method of gluing steel plates improves not only the extreme capability of bending, but also enhances the crack resistance and the rigidity of beams, raises the capability of resistance to deflection

    因此,粘鋼法加固不僅有效提高鋼筋混凝土梁的極限抗彎承載力,而且提高原梁的開裂彎矩及構件剛度,增加了原梁抵抗變形的能力。
  19. Finite element analysis to crack - resistance behavior of prestressed concrete block masonry

    預應力混凝土砌塊砌體抗裂性能的有限元分析
  20. Based on above experimental results, an optimum proportion of high - flowability concrete with high crack resistance is brought forward

    基於上述試驗的結果提出了抗裂性較好的高流態混凝土的優化配合比。
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