粘結縫 的英文怎麼說
中文拼音 [niánjiēféng]
粘結縫
英文
adhesive-bonded joint-
Standard test method for determining strength of gap - filling adhesive bonds in shear by compression loading
測定裂縫強度的標準試驗方法.用壓力負荷法測定填充膠粘劑的剪切粘結強度The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established
其次,設計了三根活性粉末混凝土無粘結預應力疊合梁,兩點對稱集中加載、一次受力,得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich
本文通過對試驗數據的分析總結,認為:單塊夾層板第一受力階段的性能試驗及單向和雙向裝配整體式夾層板的性能試驗,滿足《混凝土結構規范》 ( gb50010 - 2002 )中關于預應力樓板的二級裂縫控制等級的要求,抗裂設計得當;由於板縫無粘結預應力筋的存在提高了板的抗裂性。Building construction - jointing products - determination of adhesion cohesion properties of sealants at variable temperatures
房屋建築.接縫物品.變溫下密封膠粘結力內聚力的測定Moreover, we notice that failure of the bonding interface between frp and concrete is one of the main failure modes
注意到當前混凝土梁板加固中frp與混凝土之間膠縫粘結破壞是加固失效的主要模式之一。According to different failure mechanism and displaying part, the failure modes are divided into plate end debonding failure and intermediate crack induced interfacial debonding failure
這種粘結破壞按形成機理及破壞部位的不同可分為板端剝離破壞和跨中受彎裂縫導致的粘結破壞。Based on analysis and comparison of existing test data applied to existing ultimate strength prediction models, interfacial stress at the end of plate is deduced. after formulas for calculating the effective moment of inertia for frp - strengthened beams being revised and adjustment coefficient related to nominal main steel reinforcement ratio and curtailment length ratio being put forward, strength prediction formulas of compound beams under plate end debonding failure are established. in analysis of strength of compound beams under intermediate crack induced interfacial debonding failure mode, several bond strengths and their relation are introduced
對于板端剝離破壞,在總結現有承載力模型的基礎上,利用已有試驗數據對各承載力計算公式進行了分析比較,進一步採用分階段分析法,推導了板端界面應力的計算公式,在此基礎上,採用加固復合梁有效慣性矩的修正公式,建立了考慮名義配筋率和板端偏移比影響的板端剝離破壞梁承載力的計算公式;對于跨中受彎裂縫導致的粘結破壞,闡述了常見的幾種粘結強度之間的區別和聯系,並基於拉剪粘結強度,提出了跨中受彎裂縫導致粘結破壞的承載力計算公式,並利用現有試驗結果確定了模型中的一些參數;最後,利用試驗數據對本文建立的兩種粘結破壞承載力計算公式進行了檢驗,結果基本吻合。Steel fiber scatters stress converging in the area of the top end of tiny cracks, restrict the occurrence and development of cracks, diminishes the width of cracks, and enhances the integrity of concrete with the occurrence of cracks via the effect of felting between concrete and steel fiber, and consequently the strength of concrete that resists compression, tension, and shear force increases obviously, and the capability of concrete that resists compact, and fatigue, and the ductility and durability of fissured concrete improve
鋼纖維削弱了混凝土微裂縫尖端的應力集中、限制並約束裂縫的產生和開展、減小裂縫寬度、尤其是通過粘結作用提高了裂后混凝土的整體性,從而使混凝土的抗拉、抗彎、抗剪強度顯著提高,其抗沖擊、抗疲勞、裂后韌性和耐久性也有較大程度的改善。A way to avoiding crack or reducing crack width of concrete or reducing distortion of member is using prestressed concrete. the writer tried to make full use of the merit of the prestressed concrete and designed prestressed concrete mandril to control crack of structure. the prestressed concrete mandril, which was firstly applied high pressure on a small concrete bar, and then was made in concrete, so it would act as reinforced bar and resist load. in this thesis the writer designed 24 mmnbers and had experimental study of them, reached the conclusion that the effect of resisting crack of the prestressed concrete mandril was good when the load was not large, it can enhance the capacity of resisting crack and reduce the crack distance and crack width, but when the loads was large, the effect of resisting crack was not good, when we used the prestressed concrete mandril and reinforced bar together in member, the effect of resisting crack was very good. the writer analysed the adherence mechanism and wreck mechanism of the prestressed concrete mandril in anxial tension members, and according to the character of the prestressed concrete mandril, the writer constructed the bond model of it. then the writer introduced the analysis theory of crack including the bond - slip theory, the non - slip theory, the synthesis theory and mathematics stat method. the different theory had different theory base, they considered that the primary affection of crack width was different. in this test, the crack distance and crack width of members which placed reinforced bar were match to the compute value of the code gb 50010 - 2002 very well. to the members which
本文共進行了24根試件的試驗研究,得出了預應力混凝土芯棒能較大地提高構件抗裂承載力,在荷載小於預應力混凝土芯棒的開裂荷載時有較好的抗裂效果,能較大地減小裂縫間距和裂縫寬度,但是當荷載較大預應力混凝土芯棒開裂時預應力混凝土芯棒的抗裂效果不是很好,若將普通鋼筋和預應力混凝土芯棒一起使用時則有很好的抗裂效果。本文分析了預應力混凝土芯棒在軸拉試件中的粘結機理和破壞機理,根據預應力混凝土芯棒本身的特點,提出了預應力混凝土芯棒與后澆混凝土之間的粘結模型。然後本文詳細介紹了經典的裂縫分析理論粘結滑移理論、無滑移理論、綜合理論和數理統計方法,各理論有著各自不同的理論基礎,認為影響裂縫寬度的主要影響因素也各不相同。Standard test method for strength of sewn or thermally bonded seams of geotextiles
土工織物縫合或熱粘結縫隙強度的標準試驗方法A banded micro - crack fracture process zone model of adherence of new and old concrete is built up
建立了新老混凝土粘結面帶狀微裂縫斷裂過程區模型。4. the influence of interfacial micro - crack point of new and old concrete on in adhesive fracture toughness is discussed
從界面斷裂力學的基本理論出發,討論了新老混凝土粘結面裂縫尖端微裂縫區對粘結面斷裂性能的影響。Standard test method for determining the torque strength of ultraviolet light - cured glass metal adhesive joints
測定經紫外線處理的玻璃和金屬粘結接縫扭矩強度的標準試驗方法Hot applied joint sealants - test method for the manufacture of concrete test blocks for bond testing recipe methods
熱用接縫密封膠.粘結試驗用混凝土試驗塊生產的試驗方法High temperature mud is for the construction of various shaped products. different refractory material should be used with different type of high temperature mud in order to get strong sticking, good slag resistance and small gap
高溫泥漿適用於各種定型製品的砌築施工,不材質的耐火磚選用不同牌號的高溫泥漿配合使用,具有粘結強度高,抗渣性能好,灰縫間隙小等特點。High temperature mud is for the construction of various shaped products. different refractory material should be used with different type of high temperature mud in order to get strong sticking strength, good slag resistance and small gap
高溫泥漿適用於各種定型製品的砌築施工,不同材質的耐火磚選用不同牌號的高溫泥漿配合使用,具有粘結強度高,抗渣性能好,灰縫間隙小等特點。Secondly, the producing mechanism of crack in reinforced structure and factors which affect crack have been discussed, in the emphasis, the method is expounded, which applies first releasing then resisting, combination of releasing and resisting. in the method, flexible slit is applied firstly, which can make deformation of structure distributed, and decrease deformation energy, then the tiny expansion concrete and prestressed concrete with unbonded tendons are applied. and in the different phase, the compressive prestress is put on the concrete structure
其次,分析並論述了鋼筋混凝土結構裂縫產生的機理和影響因素,著重闡述了「利用先放后抗,抗放結合,綜合控制」的方法:即首先利用后澆帶,使混凝土結構分段變形,減小超長變形的影響;並採用微膨脹混凝土技術及無粘結預應力混凝土技術,分階段對混凝土結構施加一定的預壓應力,從而減小或完全抵消混凝土結構因混凝土硬化收縮引起的拉應力;再結合一些其他措施,成功實現鋼筋混凝土結構的超長無縫設計與施工。The detail procedures of the loading test on the ultimate bearing capacity under different load cases and the author ' s first - hand experience during the tests are documented in the paper. based on the experimental performance, it has been verified that the superposed floor assembled by the precast - prestressed sandwich slab working under the design and the reliability of the lateral connecting character of the slab
在板側縫內施加后張法無粘結預應力,在構造上利用板側伸出的鋼筋相互搭接實現橫向傳力,變單向受力為雙向受力形成裝配整體式樓蓋結構,可明顯改善樓蓋結構的受力性能。( 3 ) reinforced concrete frame columns modeled by using three - dimensional solid element to concrete and three - dimensional bar to reinforcing steel bar, and at the same time consideration the adhesive bond between reinforcing steel bar and concrete, the fem is used. by choosing reasonable element, determining mesh division and load steps, simulation of load - displacement, cracking, yielding and ultimate load, crack development history, and calculating fail crack diagram of reinforcement concrete frame columns under laterally monotonic load are conducted. the analyses are compared with the experimental results
( 3 )混凝土用三維實體單元、鋼筋用空間桿單元對鋼筋混凝土框架柱進行三維建摸,而且同時考慮了鋼筋和混凝土的粘結性能,通過合理的單元選取、網格劃分及荷載步的確定,模擬了單調荷載作用下鋼筋混凝土框架柱的荷載啦移曲線、開裂荷載、屈服荷載及最大荷載、裂縫發展規律、計算破壞裂縫圖,並與相應的試驗結果進行了比較分析。Beacause the polyurethane joint sealing material have high - elasticity, super - cohesiveness, excellent - low temperature performance, and moderate price, it has extensive development prospect
聚氨酯彈性嵌縫料具有高彈性、優良的粘結性和優異的低溫性能,且性能價格比較高,因而具有較為廣泛的發展前景。分享友人