巖溶地層 的英文怎麼說
中文拼音 [yánróngdecéng]
巖溶地層
英文
karstic formation-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction
巖溶空間介質具有地上地下雙層結構，可溶巖造壤能力低，巖溶水空間分佈不均、地表地下水關系密切、水源易漏失，偏堿性環境、生物資源集聚程度低，植被逆向演替快、順向演替難，巖溶地質與生態環境十分脆弱，受到人為因素的影響和破壞，極易產生石漠化、土壤侵蝕與退化等一系列問題。We conclude the reservoir is of complex pore - cave - fracture type. 5. the karst reservoir is studied by paleography, leaching time, hydrological regime, lithofaces - paleography, combined with outcrops and drilling data, the karst reservoir model is established
8 、本區巖溶儲層的空間分佈呈帶狀，非均質性強，並受水動力帶、巖性、沉積相、構造、風化剝蝕持續時間和古地形的影響。With practical engineering examples, this paper describes the application of gpr to engineering investigation of such harmful geological structures as karst, faults and fractures
摘要結合貴州福泉下翁溪水庫、芙蓉江沙阡電站、冗各電站3個工程實例，介紹探地雷達勘探在巖溶、斷層破碎帶等不良地質構造勘察方面的應用。In this paper, combined with the research project " study on the design, construction and quality monitoring of foundations in karst and mined - out regions along tanshao highway " financed by the department of communication of hunan province, a deep analysis has been made to find out the factors influencing the safe thickness of bearing stratum under the pile tip in karst region. three simplified models are set up to calculate the safe thickness, from which empirical calculation formulas are deduced. and a few important conclusions drawn from the discussion can be used to guide engineering practice, which are also valuable materials for the revision of current criterions later
本文結合湖南省交通廳「潭邵高速公路巖溶及采空區路、橋基礎設計施工與質量監控方法研究」研究課題，以潭邵高速公路為工程依託，通過深入分析巖溶區基樁樁端持力層安全厚度的影響因素，提出了樁端持力層安全厚度計算的三類簡化模型，以此為基礎，推導出了樁端持力層厚度計算公式，並通過討論得到了可用於指導工程實踐的幾點重要結論，可供今後規范的修改參考；本文針對巖溶地區的特殊情況，提出了巖溶區樁基設計方法及具體設計步驟，並借鑒國內外巖溶區樁基的成功經驗，提出了巖溶區樁基設計處理幾種特殊方法，可供同類工程借鑒；另外，本文通過具體的工程實踐，系統總結了巖溶區樁基施工技術及常遇問題的處理方法。Effects of forest community degradation on water chemical of karst shallow groundwater
喀斯特森林群落退化對淺層巖溶地下水化學的影響This paper summarizes seven kinds of geological factors advantageous for karstification, such as the lithology, the strata framework, the geological strature, the paleo - relief, the paleo - climate, the former pore space system and the later reconstruction in embedding period
摘要分析了巖溶發育的7種地質因素，即巖性、地層結構、地質構造、佔地貌、古氣候、先存孔洞系統以及埋藏期的後期改造等。Technique in construction of large diameter pile foundation of hukou bridge in karst stratum
湖口大橋巖溶地層大口徑樁基施工技術Technical measures for constructing large diameter pie foundation in karst stratum of hukou bridge
湖口大橋巖溶地層大口徑樁基施工的技術措施This differ with computation modal that design the foundation pier very big, bearing power too than design increment ; usage mechanics numerical analysis device with limited a logarithm of timw fitting method logt, noted the rock strength in stake tip of the borehole cast - in - place concrete pile to proceed with the structure steadiness the simulation compute to study with the fixed amount, designing for the engineering to start construction to provide for science with the spot
本研究結合現場試驗、力學數值分析和有限單元分析，對巖溶地段鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面作一些探討性研究，為該工程的設計和施工積累經驗，並為該類課題的進一步研究奠定了基礎。This article aims at the characteristics of a baibie harbor great bridge, by the spot construction test and mechanicses, limited an analysis, dissolve to the construction technics and loading capacity, stake deliver mechanism, bearing stratum and glazing rock depth area curve etc. s of the borehole cast - in - place concrete pile in the karst terrain do the some study research
國內外對于巖溶地區鉆孔灌注樁的研究，主要是針對具體工程的施工方案描述和施工故障及處理措施，對巖溶地段基樁的承載機理及承載力的綜合研究則未見報道。本文針對白墅港大橋的特點，通過現場施工試驗及力學、有限元分析，對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層厚度及嵌巖深度等方面做一些探討性研究。Thickness of supporting layer and depth of pile in the rock are two important aspects considered in pile design in karst area
巖溶地區基樁的持力層頂板厚度和嵌巖深度問題，是樁基設計時考慮的重要方面。The deep karst groundwater has been clearly investigated on dynamics characters such as the retention time, the transportation speed, the flowing direction etc, and on the hydrodynamic connection with other groundwater aquifers
調查了深部巖溶地下水的滯留時間、運動速度、徑流方向等動力學特徵，以及它們與其它地下含水層之間的水力聯系。By making use of satellite ' s remote sensing technology and combining them with the on - site investigation, this geological surveying of remote sensing goes along qianjiang - pengshui section to find out the geological phenomena so as to provide scientific proof for the route, design and reconnaissance of the expressway
摘要運用遙感技術所具有的宏觀性強、信息量大等特點，結合實地調查方法，對黔江彭水段高速公路沿線地層、斷裂構造、巖溶地貌、山體滑塌等不良地質現象進行調查，為公路選線和設計、勘察提供科學依據。Pile foundation design for a high rise student apartment in karst ground
巖溶地基某高層學生公寓樁基設計Design and construction of foundation piles of bridge in karst area
海底巖溶地層橋梁樁基施工Construction technology of large - diameter bored pile in karst area
巖溶地區高層建築樁基的樁型選擇與施工This paper sums up present and history karst collapse in tai ’ an, shandong province. it mainly spreads in the quaternary system cover areas where the looser layers are thinner, underlying open karst caves and cracks are under the quaternary system
本文分析了山東省泰安市巖溶地面塌陷的形成歷史及現狀，從地下水動態及地質環境監測結果入手，研究得出塌陷主要分佈在鬆散層較薄的第四系覆蓋區，發生時間主要集中於枯水年份或年內枯水期和豐水期初。Constructive method of pile foundation under karst double layer geology and common situations handling
巖溶夾層地質樁基施工方法及常見情況處理Which often produces some unexpected problems, such as prolonging time limit of project, increasing engineering quantities and cost, etc. through test on the site, dynamic value analysis, finite element unit method, the paper researchs construction technology of in - situ pile, transfer theory, thickness of supporting layer of head slab and depth of pile in karst area, provides some important conclusions, directs effectively the design and construction of this kind of projects
但因溶洞的分佈規律性差，現有勘探手段難於事先查明它的準確位置及大小，因而常常給施工帶來意想不到的問題：工期延長、工程量增加及工程費用增加等。本文通過現場試驗、理論計算和有限單元分析，對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面進行了較為系統的研究，得出了一些重要結論，有效地指導了該類工程的設計和施工。分享友人