flexural crack 中文意思是什麼
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Through the dry and wet cycling experiment on unmarred beam and pre - cracked beam, the position of initial corrosion and influence of crack on the reinforcing bar corrosion are studied in this paper both the flexural bearing capacity performance and the material mechanical performance of the beams are studied on the test of full scale concrete beam a model of 3d fem is established to simulate the state of the actual full - sized rc beam and electronic accelerating test beams, computational results and test results are compared
通過對混凝土梁的干濕循環試驗，研究了在混凝土梁中的鋼筋初始銹蝕情況，以及不同寬度的裂縫對于鋼筋初始銹蝕的影響。通過對足尺銹蝕混凝土梁的試驗，研究了混凝土梁在海洋環境侵蝕作用下的材料性能的變化和抗彎承載能力的變化。 -
The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall
關于寬梁與薄墻肢節點，可以得出以下幾點初步結論：寬梁應該深入墻肢一定的深度，以使寬梁截面的彎曲應力沿著梁截面寬度分佈均勻，充分發揮寬梁的抗彎能力，同時避免節點區混凝土的剪切失效，也避免剪力墻的局部因為受到的應力過大而拉裂。 -
According to each ingredients ( water retaining admixture, polymer, inorganic mineral ) " effect to mortar ' s behaviors ( water relentivity, strength, contractility ) in exclusive mortar " s composite addition, the text defines each ingredient ' s quantity scope, then define the mix through cross experiment. we compared the aac exclusive mortar ' s behaviors such as water relentivity, compressive strength, binding strength, shrinkage, flexural strength and others to ordinary mortar ' s ones, it turn out to be that there is much improve in former ' s behaviors such as water relentivity, compressive strength, binding strength, shrinkage, flexural strength etc, it also shows that the aac exclusive mortar can improve the crack in aac brick walling to a certain degree
並根據專用砂漿中復合外加劑的各個組分（保水劑、聚合物、無機礦物等）對砂漿主要性能（保水性、強度、收縮性、抗彎性等）的影響來確定每個組分的摻量范圍，再通過正交實驗確定最佳配合比，然後就普通砂漿與專用砂漿的保水性、抗壓強度和粘結強度、收縮值、抗彎曲性能以及其它性能進行了對比，對比結果表明專用砂漿的保水性、抗壓強度和粘結強度、收縮值、抗彎曲性能以及其它性能較普通砂漿都有了很大的提高，說明加氣混凝土砌塊專用砂漿在一定程度上可以改善加氣混凝土砌塊墻體的開裂情況。 -
Standard test method for determination of slow crack growth parameters of advanced ceramics by constant stress - rate flexural testing at ambient temperature
利用室溫下用常應力率彎曲試驗測定高級陶瓷的裂紋緩慢生長參數的標準試驗方法 -
Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated
對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。 -
The experiments showed that the cracking process of such restrained beams in this paper can be divided into three phases, that is, formation of the fanning zones, initialization and development of splitting cracks along longitudinal reinforcement, and accelerating development of the critical crack and / or cracks ( diagonal, flexural ). during the last two phases, it was observed that further opening of some cracks led to some
研究結果表明，鋼筋混凝土有腹筋約束梁的裂縫開展過程大致可分為扇形區逐步形成、劈裂裂縫出現和發展、最終臨界裂縫（斜裂縫或彎曲裂縫）加速發展至破壞等階段。在後兩個階段中存在某些裂縫發展減弱同時某些裂縫迅速開展的「此消彼漲」的現象。 -
The results of experiments shows that core column can increase flexural and shear resistant capacity and improve deformability and entirety of composite walls ; it is coordinate ductility of two composite walls joining wire or steels out - of - plane ; the seismic of composite walls joining with wire is fine than joining with steels ; the deformation of out - of - plane only affect the crack - loading, the ultimate carrying capacity and ductility in - plane nearly has no change
墻片試驗表明:芯柱可以增加復合墻體的抗彎和抗剪承載能力，改善墻體的變形能力和整體性;分別應用鋼絲網片和鋼筋連接的兩種復合墻體的平面外延性大致相同，內外葉墻協同工作良好;內外葉墻之間的連接提高了外葉墻砂漿層抗拉強度，同時也提高了復合墻體向外葉墻方向的抗推和抗拉承載力。 -
It was found that the cracks can penetrate the interphase and the fiber rapidly when the interphase is thin, which causes the low flexural strength and fracture toughness, as well as the composites " brittle fracture. while the interphase is thick, multiple toughening mechanisms such as the crack deflection and matrix cracking can be activated, which cause the composites " flexural strength and fracture toughness is high and the composites " non - brittle fracture
當界面相較薄時，基體裂紋能夠迅速穿過界面相和纖維，復合材料具有較低的彎曲強度和斷裂韌性，表現為脆性斷裂模式；當界面相較厚時，復合材料能產生裂紋偏轉、基體開裂等多種增韌方式，具有較高的彎曲強度和斷裂韌性，呈韌性斷裂模式。 -
As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails
正截面開裂前，荷載撓度曲線基本為線性，截面剛度較大；正截面開裂時，裂縫先在純彎段出現，荷載撓度曲線出現轉折點，隨著荷載的增加，純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展，使梁的剛度較截面開裂前減少，荷載撓度曲線也基本為線性直到梁破壞。 -
The paper made up a flexural experiment with six pieces of composite slab. during the every step of load exerted, the paper recorded the strain of cold - form steel deck and concrete, deflection, crack, slide, ultimate bearing capacity. by changing the thickness of cold - form deck, thickness and strength of concrete, amount of steel stud and other parameters, the paper discussed the behavior of loaded composite - slab
本文進行6塊組合板的抗彎性能試驗，測試各級荷載下壓型鋼板及砼應變、組合板撓度、裂縫、板端滑移、組合板抗彎極限承載力；通過壓型鋼板厚度、砼板厚度、砼強度等級、栓釘數量等幾個參數的變化，探討組合板在荷載作用下的內力、變形情況。 -
Advanced technical ceramics - monolithic ceramics - mechanical properties at room temperature - determination of subcritical crack growth parameters from constant stressing rate flexural strength tests
高技術陶瓷.整體陶瓷.室溫機械性能.用固定應力率的彎曲強度試驗測定亞臨界裂紋增長參數 -
The flexural strength and fracture toughness of ti3sic2 material obtained by hot - pressing is 223mpa and 5. 1 mpa m1 / 2 respectively ; the mechanisms of grain bending, grain delamination, crack deflection inside the layered grain, crack deflection and branch, pull out grain are main energy absorbing mechanisms
~ 1ti _ 3sic _ 2材料的彎曲強度和斷裂韌性分別為223mpa和5 . 1mpa ? m ~ （ 1 / 2 ） 。主要能量吸收機制為：晶粒的彎曲、層間滑移，裂紋在層間擴展與偏轉，裂紋在晶粒間沿晶界擴展、分叉和晶粒的拔出。 -
Calculation on crack and flexural stiffness of r c beams strengthened with rein forcing steel bar mesh
鋼筋網復合砂漿加固混凝土梁的裂縫和剛度計算 -
Standard test method for determination of slow crack growth parameters of advanced ceramics by constant stress - rate flexural testing at elevated temperatures
高溫下用恆定應力速度撓曲試驗測定高級陶瓷的慢裂增長系數的標準試驗方法 -
Advanced technical ceramics - mechanical properties of monolithic ceramics at room temperature - part 3 : determination of subcritical crack growth parameters from constant stressing rate flexural strength tests ; german version en 843 - 3 : 2005
高級工業陶瓷.室溫下整體陶瓷的機械特徵.第3部分:恆 -
Advanced technical ceramics. monolithic ceramics. mechanical properties at room temperature. determination of subcritical crack growth parameters from constant stressing rate flexural strength tests
高技術陶磁.整體陶磁.室溫下的機械性能.第3部分:從恆定應力率撓性強度試驗中測定亞臨界裂縫擴大參數值 -
Two pieces of improvement on the crack width control method using nominal tensile stress for prestressed concrete flexural member
對用名義拉應力控制預應力混凝土受彎構件裂縫寬度方法的2點改進 -
According to analyze experimental data of flexural toughness test of synthetic macro - fiber reinforced concrete, based on astm and jsce method, a new flexural toughness evaluating method is first proposed, it may well and truly reflect toughen and crack arrest of synthetic macro - fiber
通過對粗合成纖維混凝土抗彎韌性試驗數據的分析，基於美國astm及日本jsce方法，提出了粗合成纖維混凝土抗彎韌性新評價方法，該韌性評價方法能夠準確地反映粗合成纖維的阻裂增韌效果。 -
The test results confirm that ferrocement can be used to significantly increase the flexural capacity, raise crack - resisting capacity and improve the bending stiffness of rc beam
試驗結果表明，鋼絲網復合砂漿薄層可以明顯地提高鋼筋混凝土梁的抗彎承載力，提高抗裂性能，增強構件的抗彎剛度。 -
Synthetic maro - fiber is a new type reinforcement material that appeared in the last of 20th century. when compared to steel fiber and synthetic micro - fiber, the synthetic macro - fiber offers a large number of advantages : ( 1 ) light ; ( 2 ) evenly distributed ; ( 3 ) erosion resistance ; ( 4 ) obviously improves the impact resistance, flexural toughness, fatigue and seismic properties ; ( 5 ) resistance for early crack ; ( 6 ) prominent advantage in shotcrete
粗合成纖維興起於20世紀末，它是一種新型的增強增韌材料，相對于鋼纖維、細合成纖維，它具有明顯的競爭優勢: （ 1 ）質輕; （ 2 ）無腐蝕; （ 3 ）易於均勻分散; （ 4 ）顯著提高混凝土的韌性、抗沖擊、抗疲勞、抗震防爆性能; （ 5 ）可以提高塑性混凝土的早期抗裂性能; （ 6 ）在噴射混凝土中具有顯著的優勢。
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