軟弱地層 的英文怎麼說
中文拼音 [ruǎnruòdecéng]
軟弱地層
英文
weak stratum-
Based on the bedding features of weak intercalations in sandstone plates near the top of underground cavity, the probable failure scale of bedding sliding, the probable settlement, the folding places and the critical length of sandstone beams are computed seperately, then the stability of underground cavity is analysed
針對地下工程頂部層狀砂巖中存在順層發育軟弱夾層的情況，分別對開挖后可能出現的層間滑動破壞范圍、巖板的沉降、折斷和臨界長度進行計算，並分析其穩定性。Formation causal analysis and foundation strength discussion on dissoluble soft intercalation in rock foundation of a project
某工程巖石地基中溶蝕軟弱夾層形成原因分析及地基強度探討Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less
其中，螺旋鉆孔壓灌混凝土成樁技術自研製以來，已在多項復合地基工程中進行了應用，較好地解決了軟弱地層成孔困難的問題，適應地質條件范圍廣，成樁速度較快，工期短、工效高；與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較，具有無振動、無污染、無噪音的優點；另外，壓入鉆桿內的混凝土為泵送免振混凝土，因此樁體質量易於保證；與泥漿護壁和干作業成孔工藝相比，螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高，樁的承載性能較好，復合地基的變形較小。After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force
在綜合研究危巖上的各種作用之後，本文提出了危巖的形成和破壞機理：硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層，結構面的的存在是危巖形成的地質基礎；地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用；重力、水壓力、地震力是危巖崩塌的主要荷載。Based on the previous theoretical analysis, two practical projects of pile - raft foundation of high - rise building on soft ground are studied by using the software of pile - raft foundation interaction analysis program pogap. the choice of standing layer for pile, the rational compression modulus of soil under pile, the place of pile and the space between piles, and the reasonable thickness of plate are analyzed, some well - regulated conclusions can be achieved. an experiential equation for choosing the optimal thickness of plate is also given
根據以上分析，結合兩個軟弱地基上高層建築樁筏基礎的工程實例，利用浙江大學巖土工程研究所編制的pogap樁筏基礎共同作用分析軟體，就樁端持力層的選擇，樁端下臥層壓縮模量合理選值，樁位及樁間距的確定，筏板厚度的合理取值等問題展開分析，得出了一些規律性的結論，提出了筏板最佳板厚取值的經驗公式。All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering
主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。This paper introduces foundation pit slope shoring method of soft foundation, control steps of settlement of surrounding structures, leakage - preventing technology of the adjacent lake and handle means of remain backwater
摘要本文根據工程實例介紹了軟弱地層的基坑邊坡支護方法、防止周邊建築物沉降變形的控制措施、鄰湖防滲技術及殘留滯水的處理方法。Effect of soft strata on peak acceleration of ground motion
軟弱夾層對地表加速度峰值的影響Stability analysis of the weak intercalation and stratified rock mass near the top of an underground cavity and their parameters ' inversion
地下洞室頂部軟弱夾層和層狀巖體的穩定性分析及參數反演Application of the deep layer mixing in reinforcing the weak foundation
深層攪拌法在加固軟弱地基中的應用The data from xinbi high - slope shows that it ' s a stable slope. 3. the result of elasto - plastic finite element analysis shows that : ( 1 ) excavated - slope face would induce loose belt in rock ; ( 2 ) horizontal ground stress, joined rockmass and weak sandwich would make great unfavorable influence on slope stabilization and axial force of rock bolt
有限元數值分析結果表明：邊坡的開挖會使坡面巖體產生松動帶；構造水平地應力、結構面、軟弱夾層對坡體穩定及支護在坡體上的錨桿的受力情況有較大的不利影響。Reclamation and soft ground improvement
新生地及軟弱地層改良Shallow tunnel construction technology in watery amp; amp; weak straum
富水軟弱地層地鐵隧道淺埋暗挖施工技術Face failure and ground subsidence caused by metro tunnel excavaton in weak watery stratum of shenzhen play an important role in metro construction because they influence the safety and time of construction and also lead to large loss of the whole project
摘要深圳富水軟弱地層地鐵隧道開挖中出現的工作面失穩及由此引起的地表塌陷是地鐵安全施工中極其重要的方面，對施工安全、進度都有較大影響，同時也對整個工程造成巨大的經濟損失。Successful application to many station jobsites of the fu - ba line of beijing metro program shows that using the cavern - pile method in loose soft stratum for excavating shallow buried large section tunnels is practicable. therefore it has broad prospect for application
在北京地鐵「復一八線」多個車站工程中的成功應用，充分證明採用淺埋暗挖洞樁法在鬆散軟弱地層中進行淺埋大斷面洞室的開挖是可行的，具有良好的發展前景和推廣價值。With concluding construction methods of composite soil nailing, and analysing the field measurements curves for two excavation engineering in soft layers, it is proved that using composite soil nailing in shallow foundation excavations is possible, at the same time groundwater should be treated carefully and deformations of the excavations should be controlled strictly
通過對兩個軟弱地層中復合土釘支護的基坑工程施工技術的總結及其變形測試數據的分析，說明在軟弱地層的淺基坑工程中應用復合土釘支護技術是可行的，但須認真治水及控制基坑變形。This paper refers the case project of the running tunnel from grand theater to science museum in shenzhen metro, through fem numerical simulation, researches the ground surface settlement and influence on the underground pipeline in soft stratum abundant with water by the technique of horizontal jet grouting
本文以深圳地鐵一期工程大劇院科學館區間中的近接雙孔隧道工程為背景，對在富水軟弱地層中應用水平旋噴樁工藝進行控制降水施工時對地表沉降及地下管線的影響進行了研究。However, immersed tunnels are generally build in soft soil shallowly and affected greatly by the earthquake. in view of its importance and underwater particularity, the destruction of immersed tunnels will be disastrous. accordingly, it is necessary to carry out earthquake - resistant research of immersed tunnels
然而，沉管隧道一般修建在軟弱地層中，埋置淺，受地震影響大，同時由於沉管隧道的重要性及在水下的特殊性，一旦破壞將產生災難性後果，因此，對沉管隧道進行抗震研究是十分必要的。Preparation for construction : the surface of the under layer should be even and firm, and in accordance with the design requirement, without loose material and flaccid site, and need to reroll 2 3 times within full - width range of the subgrade with vibrating roller before the construction, as well as test the compaction and defecting, to check whether there is unqualified point in the soil base
施工準備：施工前下承層表面要平整、堅實，符合設計要求，無鬆散材料和軟弱地點，施工前要用振動壓路機在路基全寬范圍內復壓2 3遍，同時進行壓實度及彎沉檢驗，檢查土基中是否有不合格點。Some special problems in evaluation of seismic safety for offshore engineering site are discussed in this paper, such as the seismic hazard analysis considering the influence of moderate - deep focal earthquake, and the earthquake response analysis of soft soil layers on seabed
摘要本文探討了海域工程場地地震安全性評價涉及的幾個特殊問題，如考慮中深源地震影響的地震危險性分析、海底軟弱土層場地地震反應分析等方面的問題。分享友人