劈裂抗拉強度 的英文怎麼說
中文拼音 [pīlièkànglāqiángdù]
劈裂抗拉強度
英文
tensile splitting strength-
Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。The results show that pva - dfrccs can lighter the concrete, develop the compression / flexural / tensile splitting strength and flexural toughness, decrease the deformation of both dry shrinkage and autogeneous shrinkage and decrease the permeability of chloride ion. experimental results reveal as well that attapulgite can improve significantly properties of interface and optimize properties of dfrccs
研究結果表明這種新材料能夠減輕材料自重,增進材料的抗壓、抗折、劈裂抗拉和抗彎強度,較好地抑制纖維材料中的乾燥收縮和自收縮現象,提高纖維材料的氯離子抗滲性。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點,為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。Test results show that the steel fiber in concrete have more effectiveness on improving the splitting tensile strength and the flexural strength in the early age than after its hardening ; the flexural modulus of elasticity of sfrc are higher than the plain concrete at different ages while their compressive modulus of elasticity are almost the same. it ' s also shown that, similar to the plain concrete, the early - age loading decreases the strengths of sfrc, but, with the increase of the contents of the steel fiber things are getting better, especially for the splitting tensile strength and the flexural strength
試驗結果表明:與性能穩定之後相比,在混凝土中摻入鋼纖維對它的早期劈裂抗拉強度和抗折強度有尤為顯著的提高作用;對各齡期的受壓彈性模量影響不大,而對提高抗折彈性模量有一定的效果;與素混凝土試件相同,在早期(強度達到28天強度的85前)對鋼纖維混凝土試件施加荷載會對它的各種強度產生一定的不利影響,但是摻入鋼纖維可以減輕這種不利影響,尤其對劈裂抗拉強度和抗折強度作用突出,並且含纖率越高,效果越明顯。The influence factors of brittleness of hslc such as w / b ratio, sand percentage, type of aggregate and binder constitution are analyzed by the experiment : in order to improve the toughness of hslc, we study the function of fiber, polymer, aggregate and low - layer steel fiber on improving toughness, and explain the mechanism of improving toughness of them
最後採用這四種技術復合增韌,得到了和理想結構模型相符的高強高韌性輕集料混凝土,較基準輕集料混凝土抗壓強度增加16 . 3 ,抗彎強度增加97 ,沖擊韌性提高171 . 9 ;劈裂抗拉強度增加52 . 6 ,韌性指數提高19 . 2倍,並且具有耐久、經濟等優良性能。With the prerequisite of meeting requirement of its working performance, the mix design of common grades can be concluded though strength test if we check various property of the said concrete with the certain mix design, such as compressive strength, tensile strength, elastic modulus, reinforcement wrapping strength, leakage resistance, shrink property and charring resistance, and compare them with property of ordinary concrete, we will find that the various dynamic property of self - densifying high performance concrete is very satisfactory and the durability is quite ideal
在滿足自密實高性能混凝土工作性能的前提下,通過強度試驗得出常用強度等級混凝土的配合比,檢測該配合比下的自密實高性能混凝土的抗壓強度、劈裂抗拉強度、彈性模量、鋼筋握裹力性能、抗滲性、收縮性、抗炭化性等性能,以及各種性能與普通混凝土的比較,驗證自密實高性能混凝土硬化后的各方面力學性能是完全能夠符合要求的,並且具有較高的耐久性。After determined the proportion of furan resin concrete, it mixed with durafiber of vary content and vary length, then the most fitting length and proportion of durafiber were determined by testing its mechanical properties ( compressive strength, tensile strength and bending strength ). the mechanical properties of furan polymer mortar were tested also, which is mixed with durafiber of changeless length and vary content, and the most fitting content of durafiber was determined
研究確定呋喃樹脂混凝土的配方后,加入不同含量、不同長度的杜拉纖維,通過對其力學性能(抗壓強度、劈裂抗拉強度、抗折強度)的測試,確定杜拉纖維的合適長度和最佳摻量;在呋喃樹脂砂漿中加入不同含量、同一長度的杜拉纖維,通過其力學性能的測試,確定杜拉纖維的最佳摻量,探索了杜拉纖維增強呋喃樹脂混凝土(砂漿)的破壞機理。The mechanical properties include cubic compressive strength, flexural strength, splitting tensile strength
力學性能包括:立方體抗壓強度、抗折強度、劈裂抗拉強度。Comparing with same ratio hpc without carbon fiber, the splitting tensile strength is higher, and the compressive strength is the same or lower
于相同配比的hpc相比,碳纖維hpc抗壓強度並無明顯提高,而劈裂抗拉強度顯著提高。The sx thermal stress of concrete compared with splitting tensile strength couldn ’ t reach the limiting tensile strength, so didn ’ t create damage
與混凝土的劈裂抗拉強度相比較,混凝土的sx溫度應力沒達到極限抗拉強度,使混凝土產生損傷。Test method of mechanical propertes of mortar for ferrocement - test of tensile splitting strength
鋼絲網水泥用砂漿力學性能試驗方法劈裂抗拉強度試驗In this paper, the influences on concrete shrinkage and splitting tensile strength by the varieties and contents of the raw materials, such as cement, sand, fly ash, water - reducer and expansion agents, are studied. the possibility of the prevention of the concrete cracking by proper concrete proportion design is discussed
本文著重研究了水泥、砂、粉煤灰、減水劑、膨脹劑等材料的品種、用量對混凝土收縮性能及混凝土劈裂抗拉強度的影響,探討了通過合理的配合比設計達到減少混凝土收縮、提高混凝土劈裂抗拉強度進而降低混凝土開裂風險的可能性。The results show that the compressive strength, splitting tensile strength and flexural strength increase respectively with the addition of steel fibers, but the compressive strength increases little compared with the splitting tensile strength and flexural strength ; for the same kind of steel fiber reinforced concrete, the compressive strength, splitting tensile strength and flexural strength of steel fiber reinforced regenerated concrete are higher than those of steel fiber reinforced pebble concrete ; the load - bearing capacity of blended steel fiber reinforced concrete is less than that of single dimension steel fiber reinforced concrete ; the use of steel fiber reinforced regenerated concrete whose aggregate is made of regenerated concrete can not only turn waste into treasure, but also reduce environmental pollution and realize the recycle of resources, and its load - bearing capacity is far higher than that of steel
結果顯示:由於鋼纖維的加入,混凝土的抗壓強度、劈裂強度和彎曲強度都有不同程度的提高,但抗壓強度不及劈裂強度和彎曲強度提高顯著;對于同種鋼纖維混凝土,鋼纖維再生混凝土的抗壓強度、劈裂強度和彎曲強度比鋼纖維卵石混凝土的相應強度大;混雜尺寸鋼纖維混凝土的承載能力不如單一尺寸鋼纖維混凝土的承載能力;以再生混凝土作為基體的鋼纖維再生混凝土不僅可以「變廢為寶」 ,減少環境污染,實現資源的重復利用,而且其承載能力比鋼纖維卵石混凝土高很多。 3 .總結出鋼纖維混凝土抗拉強度和彎拉強度關系的計算公式。A contrastive study of direct tensile strength and splitting tension strength of high performance concrete
高性能混凝土軸心抗拉強度與劈裂抗拉強度試驗研究The second part is mainly the experiment, in which the influences of the dosage of the steel fiber and the conserve time on the compressive strength, the flexural strength and the splitting tensile strength of the sfrc and the shrinkage and the cohesional strenghth of the sfrc are studied
第二部分則著重於試驗,主要研究不同氣溫下鋼纖維摻量和養護齡期對鋼纖維混凝土的抗壓強度、抗折強度和劈裂抗拉強度的影響和鋼纖維混凝土的收縮及其粘結。In order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting tensile strength, bending strength, elastic modulus and axial compressive strength, and summarize the rule of the mechanical property, gain some significative conclusions, which have great significations for its popularization and application in practical engineering
為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,並總結出力學性能的規律,得到有意義的結論,對今後在工程中的推廣應用有重要意義。分享友人