On the base of analysis concerning Tianjing and Tanggo-Xingang soil properties and observation results of settlements, some rules of settlement of buildings in the area were obtained. Final settlements, settlements at end of construction and the time of final settlement were discussed. Tests used for determining paramcters of four models were introduced. The parameters in Duncan-Chang model are determined from isotropic consolidation test and the parameters in Gong-Xiannan model from Ko consolidation tests while the parameters in the model proposedin chapter 2 from the equal increment stress ratio test and ones in the bounding surface model developed in chapter 3 from the effective stress-path of CIU test.

根據(jù)天津市區(qū)及塘沽新港地區(qū)的地基土質(zhì)情況以及沉降觀測資料，分析了該地區(qū)建筑物沉降的一些規(guī)律，討論了最終沉降量，完工時的沉降量以及沉降穩(wěn)定時所需要的時間午夜影院操久久久，介紹了確定各模型參數(shù)所需要的試驗：Duncan—Zhang模型參數(shù)根據(jù)等向固結(jié)的三軸試驗確定；龔曉南Ko固結(jié)模型根據(jù)Ko固結(jié)三軸試驗確定国线播产色产黄；本文建立的非線性彈性模型根據(jù)等向增量應(yīng)力比試驗確定亚洲heyzo无码精品，邊界面模型參數(shù)可根據(jù)固結(jié)不排水剪切試驗的有效應(yīng)力路徑確定。

The results show: the most sensitive Chinese area to acid deposition is Podzolic soil area, then follow Latosol, Dark brown forest soil and Black soil areas; Ferraisol and Yellow-brown earth area in southern China can buffer about 0.8-1. 6 g Sm〓yr〓 sulfur deposition; the least sensitive areas to acid deposition are mainly Xerosol area in northwest China, Alpine soil area in the Qingzang Plateau, and Dark loessial soil and Chernozem areas; the main reason for lower critical load in northeastern areas and higher critical load in Ferralsol and Yellow-brown earth areas in China can be attributed to the obvious difference in temperature, humidity and soil properties.

研究表明：我國土壤對酸沉降最敏感的區(qū)域是漂灰土帶综合日韩，其次是磚紅壤土區(qū)欧美XXXXHDVideos、暗棕壤帶和黑土區(qū)，南部富鋁土區(qū)域大致可接受O.8-1.6 g Sm〓yr〓的硫沉降日韩一级无码毛片不卡网站，對酸沉降最不敏感的區(qū)域主要集中在西北干旱土和青藏高原的高山土區(qū)域以及黑壚土和黑鈣土帶2021欧美黄色视频；導(dǎo)致我國東北地區(qū)酸沉降臨界負(fù)荷偏低和富鋁土區(qū)域酸沉降臨界負(fù)荷偏高的重要原因，是這些地區(qū)的氣溫91绿帽论坛、濕度和土壤質(zhì)地存在顯著差異亚洲欧美另类校园。

Sedimentation anyslys of soil under the action of deadweight; 2 Sedimentation anyslys of structure in using; 3 Endogen force anyslys of structure in using; 4 Soil remolding type anyslys; 5 Homogenous flush works anyslys; 6 Anyslys of the structure sedimentation effects of different flushing amount at the same place; 7 Anyslys of the structure sedimentation effects of different flushing places; 8 Anyslys of the structure sedimentation effects of different horizontal flushing places; 9 Anyslys of the structure sedimentation effects of different vertical flushing places; Getting the different between the endogen force of common structure and that of slant structure.

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At the same time combined with indoor maximum dry density test,this paper discusses the possibility that rock-filling construction quantity .Then data of densification quantity examination under the condition ofdifferent filling material.densification machinery.densification parameter and lay-down thickness are collected as the analytic object. On the basis of making a statistical analysis of experiment data ,supervisory standard and assessment method of settlement difference and settlement ratio that adopted to examine rock-filling embankment construction quantity are put forward systematically At last carrying on settlement observation tests of rock-filling embankment in different construction stage in different layer ,the dependability of assessment method is validated.

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Under the condition of the slide between pile and soil around pile is taked into account,five equations are established, including the equation of compatibility between the settlement of pile cap soil and the settlement of pile cap; the equation of compatibility between the settlement of pile head soil and the settlement of pile head; the physical equation between the settlement of soil around pile shaft and the settlement of pile shaft;the equation of equilibrium between loads on the pile cap, side frictional stress and restraints of pile head; the equation of compatibility between the deformation of the pile body and the subtraction between the settlement of pile cap and the settlement of pile heap.

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In the later half of the article, we adopt random analysis method to make preliminary study to the backfilled foundation and then analysis random influence factors that effect the settlement degree of gantry crane foundation. We used JC method to study the reliability of the settlement and Non-Uniform settlement degree of gantry crane foundation based on factors which influence the last settlement degree of railway foundation, and the same time, we utilized backfill construction parameter and the actual statistics data of earth backfilled on site.

本文后半部分色香视频最新地址，應(yīng)用隨機(jī)分析方法對該回填基礎(chǔ)進(jìn)行了初步的研究2021国产高清视频，分析了影響高架門機(jī)基礎(chǔ)沉降量的隨機(jī)影響因素，確定了沉降分析的計算模型九色91popny丨熟女，結(jié)合影響軌道基礎(chǔ)最終沉降量的多種因素日本人人操人人爱，利用施工現(xiàn)場實測回填土土性數(shù)值和回填施工參數(shù)，對高架門機(jī)基礎(chǔ)沉降量和不均勻沉降進(jìn)行了可靠性評價一级做性色a爰片久久毛片体验区。

The data from stress box indicate that the observed values usually are smaller than the theoretical ones, and the relationship between the vertical or lateral stress and the fill soil thickness can be described in a power function curve: a- a hb. The fact that the soil stress is bigger in the portion adjacent to the central part of gully and becomes smaller in the portion close to the side illustrates that the gully has an apparent unburdening effect. From the monitoring results of the settlement deformation during and after constructingperiod, the study conducts statistical system analysis and evaluation on the change of settlement with time.

根據(jù)壓力盒測試結(jié)果表明色色网五月，測量值往往比實際的理論計算值小，填土的豎向和側(cè)向土壓力與填土厚度可以用冪次型曲線表示：σ=ah~b愈向溝谷中心部位av体验区，土壓力值愈小性爱不卡视频网站，愈向溝谷邊緣，土壓力數(shù)值越大日韩一级毛一片欧美一级ww，說明溝谷邊坡具有明顯的卸荷作用国产精品JIZZJIZZ；根據(jù)施工期和工后期的沉降變形監(jiān)測數(shù)據(jù)，對路堤內(nèi)各測點的豎向沉降隨時間的變化規(guī)律進(jìn)行了數(shù)理統(tǒng)計系統(tǒng)分析和總結(jié)黄色片黄色的视频，工后期路面沉降和時間關(guān)系可用對數(shù)曲線表示：S=aln+b女性毛片A，并根據(jù)此沉降規(guī)律對高填方加筋土路堤的工后沉降進(jìn)行了預(yù)測。

Based on the analysis of the factors caused land subsidence, the internal mechanism and development process of land subsidence caused by two mainly factors of dewatering and underground mining have been studyed in this thesis. The random medium model and methods have been established to calculate the land subsidence and deformation caused by dewatering or underground minging and both of them. The prediction problem of land subsidence and deformation caused by single factor and many factors has been solved.

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For each strategy, a corresponding exploitation plan of groundwater was designed. Then each designed exploitation plan (except scheme 3) was put into the model for calculation and simulation. The analysis on the forecasting results every plan indicates that:(1) Shuting down the self-provided wells is the most direct and effective method, playing an important role in the land subsidence prevention.(2) The resumption of compressed soil by groundwater artificial recharge is limited. So the artificial recharge can\'t provide essential effect for the resumption of land subsidence, unless the artificial recharge is much more than the groundwater withdrawal.(3) The method of "adjusting the exploitation stratum of groundwater to the shallow" has an obvious effect on the land subsidence prevention.(4)"Sand wells" can increase the leakage recharge for confined aquifer, and thus can slow and prevent the development of the land subsidence.(5) For the groundwater exploitation in Xi\'an, emergency self-provided wells should be managed according to the well spacing of 1600m, 2000m and 1600m, respectively, in the river terrace area, alluvial-proluvial fan area and loess tableland area to exploit the first confined groundwater. Corresponding individual well yield can be set as 2500m~3/d, 1500 m~3/d and 200 m~3/d. Make emergency self-provided wells pump in the dry year and stop pumping groundwater to restore and conserve underground water sources in average years and wet years. In this way, groundwater withdrawal of 162000m~3/d can be obtained to provide for the supplement of water supply in Xi\'an. As a result, the water supply stress can be released in dry years. The groundwater depression formed in the exploiting year can resume in 3-4 years. At the same time, this exploitation manner will not lead to obvious land subsidence.

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By the FEA model that the recharge effect had been taken into account, the surface settlement and the surface differential settlement of the ground surface which was out of the recharge position could be greatly reduced, the recharge effect at far foundation pit wasmuch more apparent than at the near position. By the FEA model that the water-seal effect had been taken into account, the surface settlement and surface differential settlement of the ground surface could be largely reduced; the reduction of the total settlement and the differential settlement increased as the length of water-seal wall grew.

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bulkiness, sedimentation：膨鬆度(沉降) 疏松度(沉降)

bulk product 散裝產(chǎn)品 散裝產(chǎn)品 | bulkiness, sedimentation 膨鬆度(沉降) 疏松度(沉降) | bulkiness, swelling degree 膨脹度 膨脹度

screen decanter：篩式沉降器 過濾式沉降器

drag one's heels 拖著腳走, 不合作 | screen decanter 篩式沉降器 過濾式沉降器 | cornice brake 彎板機(jī)

fallout meter：沉降物測定儀

fallout detector 沉降物探測器 | fallout meter 沉降物測定儀 | fallout predictor 沉降物預(yù)測器

fallout predictor：沉降物預(yù)測器

fallout meter 沉降物測定儀 | fallout predictor 沉降物預(yù)測器 | fallout tester 沉降物測試器

fallout predictor：沉降物猜測器

fallout meter 沉降物測定儀 | fallout predictor 沉降物猜測器 | fallout tester 沉降物測試器

sedimentation equilibrium：沉降平衡 沉降平衡

sedimentation coefficient 沉降係數(shù) 沉降系數(shù) | sedimentation equilibrium 沉降平衡 沉降平衡 | sedimentation velocity 沉降速度 沉降速度

sedimentation potential：沉降電勢

沉降 sedimentation | 沉降電勢 sedimentation potential | 沉降平衡 sedimentation equilibrium

sedimentation potential：沉降勢

sedimentation gradient separation 沉降梯度分離(法) | sedimentation potential 沉降勢 | sedimentation rate 沉降速率

land subsidence：地面沉降

引言 地面沉降( land subsidence)是在自然和人為因素作用下,由于地殼表層土體壓縮而導(dǎo)致區(qū)域性地面標(biāo)高降低的一種環(huán)境地質(zhì)現(xiàn)象. 目前世界上已有50多個國家和地區(qū)發(fā)生地面沉降,我國自1921年上海出現(xiàn)地面沉降以來,至今已有96個城市和地區(qū)發(fā)生不同程度的地面沉降,

unhindered settling：不受阻沉降

periodic settling 周期[性]沉降 | unhindered settling 不受阻沉降 | zone settling 分區(qū)沉降