錨破土 的英文怎麼說
中文拼音 [máopòtǔ]
錨破土
英文
break ground-
The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio
基於上述分析，本次試驗通過五個外包鋼混凝土邊節點1 4比例模型的偽靜力試驗，以柱的軸壓比、梁角鋼布置形式、配箍率等為主要參數，分析外包鋼混凝土現澆框架一般層邊節點在中高軸壓比（ n = 0 . 3 、 0 . 5 、 0 . 6 ）條件下，節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性；分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力；分析了試驗節點的滯回性能和耗能能力。The supporting mechanism of pre - stress anchor is given in following sentences in this paragraph : make full use of sectional stability, put - up steel - net shot concrete to the stratified earth as the trench is being excavated, and by this means, the little liding of soil layers and small broken slumps of rock slopes can be avoided
預應力錨板的支護機理：充分利用巖土層自身或預處理的局部的穩定性，隨基坑開挖分層掛鋼筋網噴射砼，以避免土層幫片及巖石邊坡小的節理破碎滑塌，並把土壓力傳給錨板，由錨桿集中受力，通過錨桿的錨固力平衡土壓力。In this paper, on the foundation of synthesizing engineering practice and study result of planted bar technique by chemistry glue on the domestic and international, embedded experiment study and theories analysis are done about bonded anchor behavior of chemistry planted bar anchorage behavior in this paper, the experimental results of 32 pulling resistance test ( meiya z3530 ) are given, considering some factors to affect bonded anchor behavior of chemistry planted bar such as the strength of concrete anchorage lengths diameter of steel bar and holes thickness of the protecting layer confecting circumstance of the hoop bar and quantity of construction especially which is very easy to be neglected and so on, and bonded anchor mechanism failure mode load carrying capacity and slide behavior are analyzed in - depth
本文在綜合國內外化學膠植筋技術的工程實踐和研究成果的基礎上，對化學植筋的粘結錨固性能作了較深入的試驗研究和理論分析。文中通過32個化學膠（美亞z3530 ）植筋試件的拉拔試驗研究，考慮混凝土強度、錨固長度、鋼筋植筋、鉆孔孔徑、保護層厚度、箍筋配製情況及施工質量等因素對植筋粘結性能的影響，特別是植筋的施工質量對粘結性能的影響是比較容易被忽視的因素，對化學植筋的粘結錨固機理、破壞形態、承載力及滑移性能作了比較深入的剖析。Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel, an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet. the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet. as indicated by the results, the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer, elastic modulus, thickness of steel sheet, and length of steel sheet. the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage. the present results will offer important reference for our country to further perfect bracing design by bonding steel method
在彈性理論的基礎上，利用鋼板錨固剪應力計算公式，對在集中荷載或均布荷載作用下採用粘鋼加固的混凝土梁，分析鋼板錨固最大剪應力的有關影響因數.結果表明，最大錨固剪應力不但和混凝土梁的截面高度、跨度等參數有關，還和粘膠層厚度、彈性模量、鋼板厚度及鋼板長度有關.採用文中方法可以對鋼板端部最大錨固剪應力進行驗算，防止混凝土梁出現局部受拉破壞.研究結果為進一步完善我國粘鋼法加固設計提供重要的參考資料Concerning the construction of the shallow cover and the special shallow cover in the tunnel under the special geology conditions, the principle of " to stabilize the slopes with protecting arch ; to strengthen the earth with the pipe - shield support grouting ; to dig a hole shallowly ; to blast slightly ; to use strong supporting structure. " has been adopted to enter the tunnel safely ; in terms of the broken belt, the effective actions such as the pipe - shield support grouting, strengthening the surrounding rock in advance with advanced bolt and steel grids, and so on, are taken to pass the poor conditioned part smoothly
對于特殊地質中的淺理、特淺埋進洞的施工，堅持「護拱穩定邊仰坡，大管棚注漿加固土體，淺打眼、弱爆破、強支護」的原則，做到安全進洞；對于斷層破碎帶，則採取了管棚注漿，超前錨桿預先加固圍巖並結合鋼格柵支撐等有力措施，順利通過了不良地段。Results show that clamping angle dominated displacement of anchorage and failure mechanism : surrounding rock and soil compaction is induced by small clamping angle, instead, shear failure occurs in neighborhood soil of leading end of anchorage while clamping angle is big ; anchorage length influenced surrounding rock stress as nonlinear self - organization critical characteristic on interface ; anchorage size contribution to systemic primary monitor parameter is relatively uniform
研究發現：夾持角控制著錨碇變位和破壞機理，夾持角過小時錨碇壓密圍巖土體，較大時錨碇前端附近土體則產生剪切破壞；錨碇長度影響接觸面圍巖應力量值，表現為非線性的自組織臨界特徵；錨碇體粗細對系統主要監控參數的貢獻相對均勻。Taking a qingdao hotel second phased project deep hole excavated for building foundation as example, the paper introduces the application of the demolition vibration in the complex peripheral environment and the geological condition, the influence, crag body vertical excavates regarding nearsightedness, the pre - stressed anchor rod and the earth nail unify support and protect the technology in the project of the crag body side slope
摘要以青島某飯店二期工程深基坑為例，介紹了在復雜的周邊環境和地質條件以及有爆破振動的影響下，對于近似垂直開挖的巖體邊坡，預應力錨桿與土釘結合的支護技術在邊坡支護工程中的應用。Through the technique to the blot - inject support in the soft rock of tucheng mine and the district of roof extremely falls in pieces to carry on experiment, carry on to measure and statistics for the relevant index to the underground pressure, combine the comprehensive analysis, it confirm the usefulness and the economy of the blot - inject support in soft rock entry
摘要通過對錨注支護技術在土城礦軟巖及頂板極為破碎地帶進行試驗，對有關礦壓指標進行了測量統計，並綜合分析，證實了錨注支護在軟巖巷道中的有效性和經濟性。The paper presents a detailed numerical analysis to elucidate the failure pattern of the pit wall, the mechanism of the soil - nailed supporting system and its spatial behavior. firstly, a typical two - layer sand - cobble deposit was chosen for a detailed 2d - fem study. it was shown that due to the distinct behaviors of the upper soft sand layer against the much stiffer lower cobble layer, a bi - linear plane failure was recommended to be used in the limit equilibrium analysis
本論文對砂卵石基坑噴錨網支護進行了數值模擬研究，主要研究內容包括以下四個方面： ansys有限元程序中土體本構模型以及分步開挖與支護計算模擬研究，砂卵石基坑邊坡破壞模式研究，噴錨網支護機理研究及空間性狀研究。From the experiments, the number and width of fracture are obviously decreased, and pasting cfrp laminates play important role in improving rc construction durability ; with anchoring, premature is prevented and the ultimate shear capacity is increased ; taking properly anchoring measure, the ultimate shear capacity of rc t - section beams of initial loads is higher than that of no initial loads ; under non - anchoring case, because the rehabilitation of rc t - section beams with cfrp laminates are destroyed suddenly, the reinforcement effect maybe decrease
試驗結果表明，粘貼碳纖維布顯著減小了鋼筋混凝土t梁的裂縫數量和寬度，抑制了裂縫的開展，對提高普通鋼筋混凝土構件耐久性有重要作用；採用適當的錨固措施可以有效防止構件發生早期破壞，提高構件的極限抗剪能力；對于有錨固的粘貼方式，有預加載的t梁抗剪極限承載力明顯高於無預加載的t梁。試驗還表明，在無錨固的情況下，用碳纖維布作抗剪加固后的t梁破壞較突然，有可能使梁的加固效果出現負效應。This paper investigates 15 r. c. beams under different conditions of cfrp amount, anchor condition and load history. the experiment results show that the flexural strength, stiffness and cracking behavior of rc beams can be improved. a failure mode caused by epoxy - concrete interface bond abating is observed and analyzed in this paper
本文進行了15根鋼筋混凝土適筋梁在不同碳纖維粘貼量、錨固方式和加載歷史條件下的試驗，試驗結果表明，粘貼碳纖維加固後梁的正截面承載力提高，裂縫寬度減小，抗彎剛度有所增強；在試驗中觀察到了膠層?混凝土界面粘結失效導致的試件破壞形式。This paper mainly introduces technologies of bending carbon fiber reinforced plastic ( cfrp ) plates or fabrics to the web of reinforced concrete members, and also this paper discusses the design principles of carbon fiber reinforced plastic ( cfrp ) used in the reinforced concrete members, as well as considering the preload effect to the bending capacity of the reinforced concrete members. finally, a kind of new practical method is put forward, and may be a reference for practical engineering designer. in the meantime, this paper analyzes the " local failure " caused by shear and normal stress concentrations at the plate ends that can easily incorporated into design equations. furthermore, the bonding and anchoring conformation of concrete members strengthened by carbon fiber reinforced plastics also be set forth
本文重點研究碳纖維製成織物片材粘貼到混凝土表面用於結構的補強與加固的技術特點，從理論上探討cfrp加固混凝土結構的設計原理，分析二次受力對加固結構的彎矩承載力的影響；同時對外貼碳纖維加固混凝土的抗彎和抗剪提供一種簡單、實用的設計方法，供工程設計人員參考，對碳纖維布加固混凝土梁中出現剝離破壞也進行了分析，提供了最大剝離正應力的計算公式，以及對外貼cfrp加固結構構件的粘貼構造與錨固進行了闡述。At last, a 3d - fem model is used for a soil - nailed supporting system in a classical two - layer distribution. the spatial distribution of horizontal displacement is reached by the analysis. some other analyses are made for the different ratio of length of foundation pit and the effect of the ratio on the largest horizontal displacement of the slope is analyzed
在邊坡破壞模式研究中利用有限元方法對成都砂卵石地區典型的二元體土層基坑開挖進行了數值模擬，認為其破壞並不取均質土的圓弧破壞模式，而是一種折線形破壞模式，同時建議在噴錨網支護設計中錨桿長度的變化和極限平衡分析中考慮折線形滑動面。分享友人