錨出土 的英文怎麼說
中文拼音 [máochūtǔ]
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Secondly, this paper made some theoretic researches on its engineering classfication and applicable scope for this technology ; then combining with project example, this paper carried out scheme design for this technology, and compared some different kinds of underpinning scheme and node and structure design, and put forward the method of " reinforcce steel bar through column " to build pile cap beam, " resistant bend and shear anchored reinforce steel bar " to strengthen column consolidation effect, and the method of " steel plate hoop " to build reinforcing bar connection of the foundation beam, etc. in the process of the consturction scheme research and implement, this paper synthetically elaborated the organizaton for project construction, put forward the construction technical measure of specific aim on the artificial pile, and pile cap beam, and underground adding layer and structure stabilization, and overall structure stabilization and so on. for this project, adopt reinforcing bar concrete to brace hole wall to ensure the safety of engineering in the artificial pile construction, use flexible connection catch to make the cage hoisting easier to simplify the construction process, use the method of earthwork statified symmetrical balance in the process of underground adding layer excavation
本文首先對于基礎托換與結構加固技術的目的和意義、國內外發展狀況進行了綜合闡述;其次對該項技術工程分類及適應范圍進行了理論上的分析研究;然後結合工程實例對該項技術進行了方案設計,對比幾種不同的托換方案和節點及構造設計,提
出了「通筋穿柱法」做承臺梁, 「抗彎抗剪
錨筋法」強化柱加固效果, 「鋼板箍法」做地基梁鋼筋連接點等多項技術;在施工方案的研究和實施過程中,對于工程施工組織進行綜合闡述,並就人工挖孔樁、承臺梁、地下加層及結構加固、整體結構穩定等專項施工方案提
出有針對性的施工技術措施,人工挖孔樁施工採用鋼筋砼護壁確保挖孔樁的安全成型,使用柔性連接鉤進行鋼筋籠吊裝簡化施工工序;承臺梁施工採用梁主筋橫穿柱身化學膠
錨固等;地下加層綜合施工技術採用
土方分層對稱平衡開挖,分段挖
土做筏基結構自穩等;最後對于該工程實施后的效果分析,說明該項綜合施工技術的可行性。
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However, along with the increasing of construction quantity of the infrastructure of irrigation works, traffic, communication etc., newer and higher requirement of geotechnical anchoring are made in slope, major dam, bridge, tunnel, deep foundation ditch engineering and the construction engineering such as anti - capsize, anti - float, anti - slippage engineering of the buildings. for example, self - intension of rock and soil is required to exploit better ; carrying capacity of anchor increase according to anchoring length ; anchor should be sufficiently lasting and should not influence the exploitation of adjoining stratum
但另一方面,隨著我國水利、交通、通訊等基礎設施建設力度的加大,邊坡、大壩、橋梁、隧洞、深基坑以及建築結構物的抗傾倒、抗浮力、抗滑移等建設工程將對巖
土錨固提
出一些新的和更高的要求:如要求進一步調用巖
土體的自身強度,
錨桿應具有足夠的耐久性,
錨桿的使用應不影響周邊地層的開發等。
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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。
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Consequently, to optimize the appearance and structure design of retaining walls, especially to have a deeper understanding of the bearing mechanism of various retaining walls and select city retaining wall type reasonably are of great engineering significances and potential economic effect. based on a thorough analysis of the character and mechanism of city - retaining - wall structures, the design theories, construction technology, new wall types and development tendency are deeply discussed. besides, the characteristics of various types of city retaining wall are discussed, and the usual methods for earth pressure calculation are summarized
本文在綜合分析目前常用城市擋
土結構的特點及其受力特性等基礎上,針對一般擋
土墻設計理論、施工技術、新型結構以及未來的發展趨勢進行了深入探討,論述了城市擋
土結構的特點,並對常用
土壓力理論進行了綜述,介紹了城市擋
土墻常見的類型,並介紹了常規的設計理論和方法;通過分析比較,優選
出錨桿擋
土結構和砌塊式擋
土結構,並從
錨桿
錨固原理
出發,結合工程實踐和大量現場試驗、對
錨桿的抗拔承載力進行了深入研究,提
出了用調整雙曲線模型法計算
錨桿抗拔承載力的方法,對
土壓力計算方法進行了探討,對其設計計算方法進行了研究。
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During the 3d finite element calculation, try to simulate different procedure of the construction ( like sunk well in - filling, main cable erection, box girder hoist, bridge flooring and opening to traffic ). and then, reveal the regulation of deformation and displacement on the foundation and soil during different period. after got these, this thesis put great attention on the analysis of the reason which cause the horizontal displacement of the cable saddle, as well as the regulation of the pressure ' s changing in the soil located on the front side of the sunk well foundation
在三維有限元計算中,對不同工況(沉井充填、
錨體澆築、主纜架設、箱梁吊裝、橋面鋪裝以及通車運營)下的施工過程作了模擬,全面揭示了各工況下
錨碇沉井基礎與地基
土的變形變位規律,著重分析了影響散索鞍水平位移的因素以及不同工況下沉井前測地基
土水平向抗力變化規律,並提
出了不同深度地基
土水平向抗力與水平位移間的擬合關系。
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In the pre - stressed anchor supporting structure with beam and column, anchor, supporting structure and soil work jointly, therefore in this paper, rib - column and rib - beam are used models of elastic foundation beams, the solving method of rib - column and rib - beam are given out
由於
錨桿和支護結構以及周圍
土體是共同工作、彼此協調的,因此肋柱、肋梁按彈性地基梁進行計算,並推導
出計算公式。
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In this paper, several groups of concrete samples with reinforcing bar in center were made. by pulling out the reinforcing bar, the bond behavior between the self - compacting concrete and the reinforcing bar was figured out
本文採用拔
出試驗研究不同強度和外加劑組合的自密實高性能混凝
土的粘結
錨固性能,並與普通混凝
土進行對比分析,為編制有關規程和工程應用提供科學依據。
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The formula of the maximum lateral deformation has been proposed for tie - back wall when the anchors are embedded in unmoving soils or in rocks. this work has enlarged the application field of the previous deformation formula. examples from engineering practice prove that the values calculated with above formulas can meet the need of the pit engineering
將上面的變形計算公式做了推廣,提
出了
錨撐擋墻最大側向位移的預測公式(
錨桿
錨固不可移動的
土層或巖石中) ,工程實例表明,利用該式預測的變形值可以滿足工程的需要。
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Thus, the author attempt to develop a new model of anchor bolts so as to avoid the disadvantages. in the model, the interaction between the bolt and the geotechnical mass is taken as contact problem, in which if the tangential force at the interface has reached the limit resistance, the relative slide in the interface will occur along the tangential direction. also, the computational parameters in the model have tangible physical meanings and have less difficulty to obtain
為此,本論文提
出一種新的
錨桿計算模型,它將
錨桿與周圍巖
土體間的相互作用作為接觸問題考慮,其計算理論比較嚴謹,能較好地模擬
出錨桿的受力狀態及
錨桿與巖
土體間的剪切?滑移作用,即:
錨桿?巖
土體之間的接觸面具有抵抗強度,當接觸面上切向應力小於其抵抗強度時,
錨桿與巖
土體共同變形;達到抵抗強度時則沿切向發生相對滑動。
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Secondly, compared with specification jgj 120 - 99, the problem of method which be using was pointed out base on a great number of numerical simulation, the interaction between pile - anchor supporting and soil nailing was analyzed
其次,針對現行樁
錨復合
土釘支護設計方法,在大量數值模擬的基礎上,通過與規程進行對比,指
出現行方法中存在的一些問題,並分析了
土釘支護與樁
錨支護二者之間的相互作用。
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This paper presents analysis on the engineering geologic features, cause of revival and prediction of the developing trend of the captioned landslide in zigui county, together with the proposed treatment measures, which will be of reference value for other landslide treatment practices
摘要在論述三峽庫區秭歸縣歸州四號滑坡工程地質特徵、復活原因、後期變化趨勢的基礎上,提
出滑坡治理方案,進行預應力
錨索抗滑樁、樁間檔
土板、植被護坡、地面排水等分項工程設計,總結本滑坡治理工程的設計經驗,供其它滑坡治理工程參考。
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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。
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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。
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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
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For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp
例如,纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝
土中及海堤、工業頂棚、電設備、反應設備的基座、巖
土工程中的
錨桿、侵蝕性環境的混凝
土結構等海洋工程、橋梁工程、路面工程、巖
土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝
土結構在工程中的廣泛應用,本文在國家自然科學基金(項目名稱:纖維增強塑料筋混凝
土梁力學性能的研究;編號: 59978046 )和河南省傑
出青年基金的資助下,通過對纖維增強塑料筋混凝
土梁正截面受彎性能試驗數據的系統分析,結合現代鋼筋混凝
土結構學的分析方法,對纖維增強塑料筋混凝
土梁正截面受彎性能進行了深入的研究,較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝
土梁正截面受彎性能的理論計算體系。
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( 1 ) based on the experiments, this thesis discusses the stress loss of vertical prestress caused by deformation of anchorage, the resilience of the tendon and the joint compression ( l2 ), the elastic compression of the concrete ( l4 ) and the relaxation of the tendon ( l5 ). it is concluded that the anchorage deformation is dominated in vertical stress loss. measures are suggested to diminish the loss of the vertical prestress during the design and construction of the bridge
( 1 )本文在試驗的基礎上,研究了豎向預應力筋的
錨具變形、鋼筋回縮和接縫壓縮損失l2 、混凝
土的彈性壓縮損失l4和力筋的應力鬆弛損失l5 ,其中,第一項是最主要的損失,論文據此對設計和施工中如何減小豎向預應力的損失提
出了自己的看法和建議。
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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。
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The emphasis is given on the studying of the horizontal displacement on the retaining structure consist of piles and anchors, which is a frequent type of retaining structure. it is founded that the rigidity of anchors and magnitude of pre - stress are the main factors which influence the deformation of retaining structures. the optimal design method on pile - anchor systems is presented
樁
錨支護是一種常見的基坑支護模式,本文以樁
錨支護結構水平位移為重點,對支護結構剛度、支撐剛度與預應力、支護樁入
土深度等對樁頂水平位移的影響進行了分析,指
出在樁
錨支護體系中,
錨桿支撐剛度及預應力對基坑變形的影響最為明顯,並通過工程實例加以驗證。
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In this thesis, it is analyzed theoretically the steel bar layout pattern, the prestress loss, the concrete stress, and the discipline of the deformation and the fracture forming of structures of the partial prestress concrete frame beams, which is widely used in modern civil engineering
本文從理論上分析了現代建築工程中廣為採用的部分預應力混凝
土框架梁的布筋方式、預應力損失、混凝
土應力、結構變形和開裂規律;導
出了具有一般意義的預應力
錨固損失以及梁的長期撓曲變形計算公式。
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The flexible retaining structure is another important retaining structure in soft soil. the integrated numerical analysis of this retaining structure ( including the methods and theory of calculating active earth pressure under sorts of conditions as well as the calculating method of horizontal stiffness coefficient of bracing structure and the method of deciding boundary condition etc. ) was gived. the effect of all parameters on the characteristics of retaining structure was discussed using methods of sensitivity - analysis
本文針對目前常用的彈性支點法,給出了完整的數值分析方法,包括各種條件下的墻後土壓力的計算方法和原理、支撐系統(或錨拉系統)水平剛度系數的計算、邊界條件的確定方法等,並以此為基礎採用靈敏度系數分析方法討論了各參數對圍護結構形態的影響,指出土體側向基床比例系數是影響圍護結構變形的最主要的參數。