混凝土固結的 的英文怎麼說
中文拼音 [húnníngtǔgùjiēde]
混凝土固結的
英文
concrete bound- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 固 : Ⅰ形容詞(結實; 牢固; 堅硬) firm; hard; solid Ⅱ副詞1 (堅決地; 堅定地) firmly; resolutely 2 [書...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 的 : 4次方是 The fourth power of 2 is direction
- 混凝土 : concrete; beton; jetereting混凝土壩 concrete dam; 混凝土板 concrete slab; 混凝土標號 concrete gra...
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The consolidating wave speed means the speed at which elastic stress wave transmits throughout reinforced concrete, and it is intervenient the inherent wave speed of steel and of the concrete. moreover, the consolidating wave speed inherent in the material of the reinforcing steel bar and the concrete, and it relates to the cling strength of steel bar and the concrete
固結波速是指彈性應力波通過鋼筋-混凝土體系傳播時的速度,通過理論分析得知固結波速的大小介於鋼筋和混凝土中彈性應力波速之間,由鋼筋與混凝土二者的材質特性決定,與二者的粘結強度密切相關。We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc
目前,解決混凝土開裂的方法是綜合的,我們調查研究了混凝土開裂的原因,開發研製了高性能抗裂外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗裂強度,滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術,應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法,從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題,發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。According to the test result, the mechanism of inorganically post - installed bars with cone - shaped heads was analyzed. and then the anchor intensity formula was formulated. the inorganically post - installed bars with cone - shaped head was carried on the finite element analysis on the spatial axial symmetry model
根據試驗結果,對帶錐頭無機植筋的受力機理進行了理論分析,推導出帶錐頭無機植筋的錨固強度公式,並利用空間軸對稱模型對帶錐頭無機植筋進行了有限元分析,提出了利用桿單元模擬鋼筋與混凝土之間的粘結滑移關系的方法。Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method
借鑒于沖擊回波技術,固結波速的測定方法是在鋼筋測桿的出露端施加瞬態沖擊載荷,由安設在測桿頂端的傳感器接收反射應力波信號,根據應力波的走時和測桿的長度折算固結波速的大小,因此反射信號的識別是固結波速法檢測混凝土強度的技術關鍵。The dynamic response of the experiment model is studied by transfer function response, and the natural frequency and vibration mode of the vibration system are measured, the dynamic characteristic is mastered, which provides the experiment test method of dynamic data for the structure design of reinforced concrete and the shock absorber design of the system, especially provides the design rules to vibration control of the machine equipment which are built in the building structure
用傳遞函數響應方法對實驗模型進行動態響應實驗研究,測得振動系統的固有頻率和振型,掌握振動系統的動態特性,為鋼筋混凝土建築的結構設計和系統減振設計提供動力學的實驗測試方法,尤其給安裝在建築物內機械設備的振動控制提供了設計依據。The dynamic parameters of the asphalt concrete can be obtained through dynamic triaxial test, combined with the cunli chen ' s studying results, discovering that the dynamic stress - strain relationship obeys the hyperbolic model well, and t he maximum dynamic modulus edmax and the maximum shear modulus gdmax increasing along with the decreasing of the temperature and the increasing of consolidation ratio kc
通過振動三軸試驗獲得瀝青混凝土材料的動力參數,並結合西安理工大學陳存禮老師的研究成果。發現動應力與動應變的關系較好地符合雙曲線規律,最大動模量e _ ( dmax )和最大剪切模量g _ ( dmax )隨著溫度的降低、圍壓和固結比kc的增大而增大。The consolidating wave speed of ten concrete specimens within four kinds of composition was inspected in 28 days, and we got the analogical law that the value of consolidating wave speed changes with the increasing concrete strength : the consolidating wave speed decreases when the concrete strength increases, and they varies according with exponential function. so, the feasibility of the consolidating wave speed method was validated, and this method has the advantages that it can be used to testing fresh concrete strength real - timely
在實驗室監測四種配比共十組混凝土(砂漿)試件28天齡期內的固結波速,初步得出了固結波速隨混凝土強度增長而變化的規律:固結波速隨混凝土強度增長而降低,二者呈冪函數規律變化,而且各組試件的固結波速隨混凝土(砂漿)強度的增長有非常相似的變化規律,由此可知固結波速法檢測混凝土強度是可行性的,其優點是可以實時監測混凝土強度的增長。The article briefly introduces the application of carbon fiber strengthened concrete by combining the experience in author ' s practice and using the project instance
摘要介紹了碳纖維材料及加固技術,並給出了碳纖維片材加固砼結構設計與計算通過工程實例,簡要介紹了破纖維加固混凝土技術的應用。The numerical simulation of the push - out test specimens were conducted with the ansys program, the simulation results were in good agreement with the experimental results, based on which a series of src beam specimens experimented before were also numerically simulated with the ansys program and compared with the experimental results, from these a set of methods to simulate the src structures with the ansys program, which including the establishment of the fem model, solution of the fem model, solution results analysis and so on was finally established
)程序對推出試驗進行了數值模擬,並與試驗結果進行了對比分析,然後對型鋼混凝土梁進行了ansys ~ ( ? )程序有限元分析,最終形成了一套型鋼混凝土構件ansys ~ ( ? )程序有限元分析的建模、計算和分析方法,並根據本文的粘結滑移基本性能研究提出了型鋼混凝土粘結錨固可靠度分析方法和錨固設計建議。This paper analyzed the mechanism of bond between the steel shape and concrete in the src ( steel reinforced concrete ) structures. by a series of src push - out tests, both the bond strength and the relations between the bond stresses and slip, which was usually called bond - slip constitutive relations, were analyzed and studied to solve the problem on bond - anchoring design and the problem on numerical simulation of the bond - slip in fem ( finite element method ) analysis of src structures
本文分析探討了型鋼混凝土中型鋼與混凝土之間的粘結滑移機理,並通過型鋼混凝土推出試驗( push - outtest )研究了型鋼混凝土粘結強度、粘結應力-滑移相互關系(粘結滑移本構關系) ,以解決型鋼混凝土結構中的粘結錨固問題和有限元分析中的粘結滑移模擬問題。As a new variety of steel wire in our country, the mid - strength ( 1270mpa ) spiral - ribs steel wire has many excellences such as high strength, good ductility, credible felting and anchoring capability witn concrete and so on. the pre - stressed concrete slab with this sort of steel wire has good mechanical property. so it is an ideal substitute to the cold - processed wires traditionally adopted in pre - stressed concrete slabs
中強( 1270mpa )螺旋肋鋼絲是我國研製開發的預應力鋼筋新品種,具有強度高、延性好、與混凝土粘結錨固可靠的優點,以這種鋼絲為配筋的預應力空心板具有良好的力學性能,是傳統用於預應力混凝土空心板的冷加工鋼絲的理想替代品。Through the bonding tests and the theory analysis between the advanced composite glass sheets and the concrete under the general load - carrying condition, the iterative load - carrying condition, the freeze - thaw action, and the defective bonding, the calculative model has been established, and the numerical value of fibre sheet strain under different load - carrying has been confirmed. the bond strength calculative expressions for the concrete bonded with glass fibre sheet under the pull - shear and the bend load - carrying conditions have been established. the author put forward the decreasing coefficient and the calculative expressions for the influence of reinforce effect by the non - effective area and the calculative expressions for the influence of the freeze - thaw action on the carrying capacity of the concrete beams
本文採用美國泰扶高強復合玻璃纖維布以及與之性能相當、由南京玻璃纖維研究院自行研製開發的egfw430型玻璃纖維布兩種材料,通過在靜載、重復荷載、凍融及有缺陷粘結條件下的高強玻璃纖維布與混凝土粘結性能的試驗研究與理論分析,建立了玻璃纖維布-混凝土的粘結計算模型,明確了不同受力狀態下纖維布應變的設計取值,提出了玻璃纖維布-混凝土抗剪粘結強度的計算公式;確定了考慮非有效粘貼面積對加固效果影響的折減系數;給出了凍融循環次數引起承載力下降的插值計算方法;並驗證了重復荷載作用下玻璃纖維布與混凝土良好的粘結性能。But because there are shearing stress and removing stress on the gluing plane between the steel plates and concrete, the phenomenon of premature removing of the steel plates in the strengthen beams is easy to take place
但是,由於鋼板和混凝土粘結面上存在粘結剪應力和剝離拉應力,使粘鋼加固梁容易發生鋼板端部和彎剪區段跨中的早期剝離破壞現象。In order to determine the relations between the four main bond - anchoring factors - concrete strength, concrete cover thickness, steel shape embedment length and the ratio of the transverse hoops - and the bond strength, and establish the bond - slip constitutive relations, 16 standard push - out test specimens were designed, and 4 comparison specimens were additionally designed to find the difference of the bond performance between the web, inside and outside of flanges the steel shape
設計了16個型鋼混凝土標準推出試件,以考察混凝土強度、型鋼的混凝土保護層厚度、型鋼埋置長度及橫向配箍率四個主要錨固條件與粘結強度的相互關系和型鋼混凝土粘結滑移本構關系;設計了4個對比試件,以考察型鋼翼緣內側、外側和腹板與混凝土粘結性能的區別。The crux of the reinforcement of the concrete structure is the bond behavior of the cohering face of the new - old concrete. the bond behavior of the cohering face under normal atmospheric temperature has been studied deeply and has more conclusions. what will happen about the bond behavior of the cohering face of the new - old concrete after high temperature ( e. g
利用混凝土進行補強加固的關鍵在於新老混凝土粘結面的粘結性能,粘結面在常溫下的粘結性能已有較多較深入的研究和結論,而對于補強加固的混凝土建築物在受到高溫(例如火災)后其新老混凝土粘結面的粘結性能有何變化The following principles are proved : increasing cfp adhesive length will release the concentrating of shear stress near the cutoff point, this will lead to the increment of loading - bear capacity of concrete beams ; increasing the thickness of cfp will improve the transition of load from concrete beam to cfp, this is useful to exert the potential of cfp ; in creasing the anti - shear modulus of adhesive will result enhance the concentrating of shear stress, this is harmful to the effect of cfp reinforced concrete beams
本文的理論分析結果可以表明:增加碳纖維板的粘結長度可以緩解碳纖維板端部界面上的剪應力集中,改善混凝土梁結構的加固效果;增大碳纖維板的粘結厚度可以增大界面上的剪應力,改善混凝土樑上載荷向碳纖維板的傳遞效果,有利於充分發揮碳纖維布的潛能;如果粘結膠層的抗剪模量過大會加劇剪應力的集中,從而對碳纖維加固的效果不利。With the improvement in prestressing tendon strength, variations in deformation patterns of rebars, and the necessity of bond deterioration in earthquake - resistant designs, the bond anchorage between reinforcement and concrete has become an increasingly acute issue
摘要隨著預應力鋼筋強度的提高及鋼筋外形的變化,加之抗震設計必須考慮的黏結退化,鋼筋與混凝土之間的黏結錨固問題愈顯突出。These problems that the influence of bond behavior among frp layers caused by the freeze - thaw action, and bond behavior between frp and concrete experienced freeze - thaw - iii - action are studied by test. in addition, the influence on integral structures by freeze - thaw action and wet - thermal condition is considered. 6
對于凍融循環對多層纖維增強復合材料之間粘結性能的影響、 frp片材與受到凍害混凝土的粘結性能問題、凍融循環對frp片材加固混凝土結構整體性能影響問題和濕熱環境對frp片材與混凝土粘結性能的影響問題進行了試驗研究。In our country, the study on concrete structure strengthened by advanced composite glass fiber sheet is new, the systematicness and practicability is inadequate, especially, there ’ s no mature research in the field of bond performance. therefore, to realize the bond performance and its change rule between the advanced composite glass fiber sheet and concrete is very important
在我國,高強復合玻璃纖維布加固混凝土結構的研究僅初見端倪,系統性和實用性還不強,尤其在粘結性能方面更無成熟的研究成果,因此,了解和掌握高強復合玻璃纖維布與混凝土之間的粘結性能及其變化規律具有非常重要的意義。At present, the experi - mental research for structures strengthened with cfrp focuses on the bending and shearing etc, but the creep research is limited. aimed at the situation, the paper complete several aspects as following : ( 1 ) long - term test on ten concrete columns with three different surface treatment of coat free, epoxy coated and cfrp sheet wrapped were completed. the creep properties of those concrete columns were studied
目前國內對于碳纖維加固結構的試驗研究主要集中在抗彎、抗剪等短期性能方面,而對其徐變性能研究十分有限,針對這種情況,本文主要完成了以下工作: ( 1 )完成了10個不同表面處理混凝土短柱的徐變試驗,研究了長期荷載作用下不同表面處理軸心受壓短柱的徐變發展規律。分享友人