本文選題：煤礦帶壓開采 + 巖溶涌水量��； 參考：《太原理工大學(xué)》2015年碩士論文

【摘要】：煤炭資源是工業(yè)發(fā)展的基礎(chǔ)，近年來隨著工業(yè)的發(fā)展，煤炭開采量日益增大，導(dǎo)致各地上組煤已基本采空，現(xiàn)在主要開采下組煤，但高壓奧灰?guī)r溶地下水對(duì)下組煤開采活動(dòng)具有很大的影響，尤其在山西這種現(xiàn)象非常普遍。 本文以山西大佛寺旺源煤礦為例，該地區(qū)巖溶水壓力較大，水文地質(zhì)條件復(fù)雜，因此必須疏降到安全水位范圍內(nèi)才能開采。本次以該礦下組煤開采的巖溶涌水量為研究對(duì)象，以整個(gè)洪山泉域?yàn)槟M范圍。具體思路是：通過大量的野外調(diào)查和技術(shù)資料的收集，對(duì)洪山泉域區(qū)域水文地質(zhì)條件、泉域水均衡要素、巖溶含水層富水性、巖溶介質(zhì)裂隙發(fā)育情況、地質(zhì)構(gòu)造、礦井充水方式等因素做了分析，，提出了水文地質(zhì)概念模型和邊界概化方案。同時(shí)以此為基礎(chǔ)建立了空間雙層結(jié)構(gòu)、非均質(zhì)各向同性、非穩(wěn)定準(zhǔn)三維地下水流系統(tǒng)。利用GMS中各個(gè)模塊的地下水模擬功能，應(yīng)用有限差分方法，通過對(duì)網(wǎng)格的離散以及初始水頭、水文地質(zhì)參數(shù)、邊界條件等的確定，通過模型識(shí)別和軟件的參數(shù)反演功能，調(diào)試出符合實(shí)際的水文地質(zhì)參數(shù)，通過實(shí)驗(yàn)水位進(jìn)行擬合驗(yàn)證，最終建立起符合實(shí)際的巖溶涌水量預(yù)測模型。10#煤：+500、+450，11#煤：+580、+500、+450為本次預(yù)測的5個(gè)開采水平,在前述模型基礎(chǔ)上，結(jié)合煤礦初步設(shè)計(jì)和開發(fā)利用方案以及突水系數(shù)的計(jì)算確定這5個(gè)水平的安全開采水位值和疏降巖溶水量，最終提出幾種疏降方案，比較各自疏降時(shí)間和疏降水量以及疏降行為對(duì)洪山泉域水資源量的影響，為煤礦安全開采下組煤、安排合理的排水設(shè)備、保護(hù)洪山泉域提供提供科學(xué)的依據(jù)。
[Abstract]:Coal resources are the basis of industrial development. In recent years, with the development of industry, the amount of coal mining has increased day by day, resulting in the coal mining in various places has basically been emptied. However, the high pressure Ordovician karst groundwater has a great influence on the coal mining activities of the lower formation, especially in Shanxi Province. This paper takes the Dafosi Wangyuan Coal Mine in Shanxi Province as an example. The karst water pressure in this area is high and the hydrogeological conditions are complex, so it is necessary to drop sparsely to the safe water level in order to be mined. In this paper, the karst water discharge of coal mining in the lower formation of this mine is taken as the research object, and the whole Hongshan spring region is taken as the simulation scope. The specific ideas are as follows: through a large number of field investigations and technical data collection, the hydrogeological conditions in the Hongshan spring region, the water balance elements in the spring region, the water-rich karst aquifer, the development of cracks in karst media, geological structure, etc. The hydrogeological conceptual model and boundary generalization scheme are put forward. At the same time, the spatial double layer structure, heterogeneous isotropic, unstable quasi three dimensional groundwater flow system is established. Based on the groundwater simulation function of each module in GMS, the finite difference method is used to determine the initial water head, hydrogeological parameters, boundary conditions, model identification and parameter inversion of software, through the discretization of grid and the determination of initial head, hydrogeological parameters, boundary conditions, etc. The actual hydrogeological parameters are debugged and verified by fitting the experimental water level. Finally, the prediction model of karst water discharge. 10# coal: 500,450,11# coal: 580,500,450 is established, which is the five mining levels predicted in this paper. On the basis of the above model, combined with the preliminary design, exploitation and utilization scheme of coal mine and the calculation of water inrush coefficient, the five levels of safe mining water level value and sparsely reducing karst water quantity are determined. Finally, several schemes are put forward. This paper compares the effects of the time of thinning down, the amount of precipitation and the behavior of thinning on the quantity of water resources in Hongshan spring area, which provides a scientific basis for the safe mining of coal in coal mine, the arrangement of reasonable drainage equipment and the protection of Hongshan spring area.
【學(xué)位授予單位】：太原理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：P641.41

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