卸荷 的英文怎麼說

Safety relief valves for anhydrous ammonia and lp - gas

無水液體石油氣用安全卸荷閥門

Based on the relative independence of mathematical cover and physical grid, and considering the action of truely existent various equilibrant force in system for system balance, a method of simulation for excavation unloading using numerical manifold method in geotechnical engineering is proposed

摘要基於數值流形方法數學覆蓋與物理網格的相對獨立性，考慮任一時刻體系中真實存在的各平衡力項對體系平衡的作用，提出用數值流形方法模擬巖土工程開挖卸荷的方法。

The mechanical genesis of the complicated rock mass is because several times of tectonism in pro - period made the structure of rock mass in the right dam foundation damaged seriously and rock mass alteration made its mechanical character more anisotropy. after that the fractures in the right dam foundation slope were stretched at the beginning of the quaternary period because in the period yakouhoushan mountain quaquaversal dome was blowups quickly. at the same time, the valley trenching of lancang river reach to 800 - 1000 meter in altitude at the right bank in nuozadu dam site

導致右岸巖體復雜化的成因是，右岸巖體在早期遭受了多期構造作用和巖體蝕變的基礎上，第四紀早期丫口後山穹隆的快速隆起與當時河谷下切至800m 1000m高程這一特殊因素組合引起了右岸巖體沿原有的斷裂（裂隙）張開，使地下水等風化營力能夠到達坡體較深部位，經過長期的風化卸荷作用，形成了右岸復雜巖體。

The relative disadvantage angle of transfixion crack how to affect rock mass stabilization can be researched in this article, and the mechanics characteristic in the unloading process for unloading rock mass with single transfixion crack also be analyzed, which affords theory reference to projects of unloading rock mass with single transfixion crack

通過試驗，探討了貫通裂隙影響巖體穩定的相對不利傾角以及單貫通裂隙巖體卸荷過程的力學特徵，得出裂隙位置的變化促成巖體變形的遞變；特殊位置的裂隙促使巖體的各向導性更加明顯的結論，為相關工程問題提供理論參考。

Past investigation found the rock in the right dam foundation composing of granite ( _ 4 ~ 3 _ 5 ~ 1 ) in dyas - trias, which has a very complicated mechanical environment. the complicated phenomenon is as follows : tectonism, alteration, rock mass demobilize, rock mass stress release and other factors. because of this several weakness rock zones and a loosen rock mass zone are develop in the right dam foundation

前期的調查表明其右岸巖體力學環境復雜，表現為：構成右岸壩基（肩）巖體主體的二迭三迭紀花崗巖（ _ 4 ~ 3 _ 5 ~ 1 ）受構造變動、蝕變、風化卸荷等因素的影響形成了壩基軟弱巖帶和壩肩上部卸荷鬆弛巖體。

When excavating deep foundation ditch in the lake sediment that filled with deep and thick silt, it is a common technical problem that the upheave which caused by relief loads leading to slope destabilization

摘要在湖泊相沉積的深厚淤泥土場地開挖深基坑，由於坑底卸荷隆起導致基坑邊坡位移、失穩是常見的技術難題。

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。

( 2 ) according to the forming model of the deep pull cracks, they can be divided into three classes pulled cracks -, pressed cracks and sheared cracks. ( 3 ) based on the two - dimensional and three - dimensional finite element methods. the following results can be affirmed : in the slope excavating process, the base surface will rebound in the direction of the excavating surface ' s excerior normal. the maximal displacements of the left and right bank are + 3. 6cm and + 2. 4cm ; the arch abutment will rebound in the direction of the river valley, the maximal displacements of the two bank are + 3. 5cm and + 2. 2cm ; the upstream and downstream surface will rebound in the direction of the normal direction. the maximal displacements are + 2. 1cm and + 1. 7cm. ( 4 ) the natural slope is stable

（ 3 ）通過二維及三維有限元分析得知，左右岸拱肩槽邊坡在開挖過程中，開挖底面主要表現為朝開挖面外法線方向發生回彈，左右岸最大位移量分別為+ 3 . 6cm 、 + 2 . 4cm ；拱端面主要表現為向河谷方向發生側向回彈，左右岸最大位移量分別為+ 3 . 5cm 、 + 2 . 2cm ；上下游坡面主要表現為向臨空方向的回彈，左右岸最大位移量分別為+ 2 . 1cm 、 + 1 . 7cm ；開挖使巖體產生由卸荷回彈導致的傾倒拉裂現象。

This two reason accelerated the groundwater infiltration in the right bank slope. so, the weathering agency could have invaded deeply in the right bank slope

因此，右岸復雜巖體的成因是蝕變? ?構造? ?風化卸荷長期綜合作用的結果。

Field investigations found that epigenetic reworking deformation fracture include 3 types, named normal relief fracture, fracture filled mud and epigenetic reworking of disturbed belts. and epigenetic reworking of rock mass structural also includes gradual deformation of the blocks that are made up of different attitudes structural planes besides normal relief. through field geological investigations, the features of rock mass structural planes are generalized, especially development laws of interlayer shearing belts, instrastratal shearing belts, faults and base crack

在已有研究成果基礎上，總結了壩區玄武巖的巖相特徵和構造應力場對巖體結構的影響；通過現場調查，總結了3種類型淺表生變形破裂，即正常卸荷型破裂、鬆弛夾泥型破裂和緩傾角錯動帶表生改造；通過野外地質調查，總結了層間錯動帶、層內錯動帶、斷層和基體裂隙的發育規律。

On the basis of analyzing the actual way of classification of unloading zones, the author puts forward a divisiory way of adopting joint rate, opening joint rate and summation of joint width as quantitative indexes according to formation mechanism and geological exhibition of unloading zones

在分析目前卸荷帶劃分方法的基礎上，根據卸荷帶的形成機理及地質表現，提出了用裂隙率、張開裂隙率和「隙寬和」 3個量化指標進行卸荷帶的劃分。

Pressure unloading analysis of bi - pass inserting electromagnetic valve

二通插裝電磁溢流閥卸荷壓力分析

Other : connected with the isolanting diaphragm part ( code : bw ), ytfn series can be used to measure the pressure of an impulsing, a shocking or a suddenly unloaded medium

Ytfn系列儀表配裝強耐震體后，可測量劇烈脈動、沖擊及突然卸荷的介質壓力。

Firstly, according to the natural geology study of the quarry, the control structure planes are determined, which are cut to be building blocks by two sets of main joints. failure can occur due to the intensity weaken of the joint planes caused by excavation relief and rain immersion

首先研究了采場的自然地質條件，確定了影響邊坡穩定的控制性結構面，即塊體主要由兩組節理切割而成楔形體，由於開挖卸荷及雨水浸泡，致使節理面強度減弱而發生破壞。

At last, the finite element method, the strength reduction method and limit equilibrium method, nature slopes and excavation slopes, lateral stress unloading model and axial loading model are analyzed and discussed relatively

最後，就有限元法、強度折減法和極限平衡法，自然邊坡與挖方邊坡，圍壓卸荷應力路徑模型分析與軸向加荷應力路徑模型分析進行了比較討論。

Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

通過本文的研究成果，根據區域性地貌的演化特徵，我們可以大致地對現今地應力場進行判斷：在分級卸荷條件下，巖體中彈性變形的恢復具有明顯的規律性，這種規律對于研究地應力場的演變是有幫助的；地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性；區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響，隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化，現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化；在峽谷區，山體中具有兩個應力帶：自重應力帶和卸荷應力帶，最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立；根據原始地面遭剝蝕的程度，可以大致地估算最大主應力和中間主應力的量值和方向；在丘陵區和平原區，最大主應力的方向近於水平，並與附近區域性侵蝕盆地和河流的展布方向基本平行，根據原始地面遭剝蝕的程度，可以大致估算其最大主應力的量值；根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵，並進而大致了解巖石的應力環境，這種分析方法得出的結論與許多實際的地應力測試成果基本一致，對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。

The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river, digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide

試驗抓住造成滑坡的主要因素，根據所得的巖石力學參數及結構面參數，在幾何條件、模型材料、結構面條件等方面都基本滿足相似原理的情況下，對模型進行了河流下切、公路開挖等條件的模擬，測量觀察邊坡的卸荷回彈與層面的彎曲變形情況，利用所側數據分析論證滑坡的形成機制和影響因素。

Water conservacy and hydroelectric projects being programmed or constructed in incised river valley of southwest and northwest of china all relate to weathered and unloaded rockmass. it is very important and significant to study weathering and unloading for engineering design, parameter value choosing, rockmass quality classificatioarockmass excavation, foundation plane choosing, even project running. the dissertation is based on granite rockmass in laxiwa hydroelectric station damsite, yellow river

規劃中或正在建設的西南、西北深切河谷區水利水電工程均涉及到巖體風化、卸荷問題，而研究巖體風化、卸荷對于工程設計、參數取值、巖體質量分級、巖體開挖、建基面選取乃至未來工程運行等具有重要意義。

The quantification indexes that token weathered degree are primary velocity, borehole rqd ( rock quality designation ), joint space, joint number and so on, and the unloading ones are primary velocity, joint opening, borehole penetrability and so on. the compartmentalization of different weathered and load - off zones according to quantification indexes tallies with the slope geo - stress computed by finite element method

其中研究風化分帶的定量指標有縱波速vp 、鉆孔rqd 、結構面間距與條數等，研究卸荷分帶的定量指標有縱波速度、節理開度與鉆孔巖體透水性，據此劃分的不同程度風化、卸荷巖體與有限元計算的壩區河谷應力場具有良好對應性。

The purpose is to exactitude control the process of pressure increasing in the test, and to reduce test time. so that it can improve the productive efficiency

其主要目的是為了實現對卸荷閥測試中加壓壓力的精確控制，以縮短生產節拍，提高在線測試效率。