本文選題：武云高速 + 老空區(qū)　； 參考：《公路》2016年12期

【摘要】：老空區(qū)的穩(wěn)定性影響其上覆高速公路的運營安全,準(zhǔn)確地預(yù)估老空區(qū)地表的殘余變形是判定老空區(qū)穩(wěn)定性的基礎(chǔ)。文中以武云高速老空區(qū)段建設(shè)場地為例,系統(tǒng)地研究了隨機介質(zhì)理論在老空區(qū)殘余變形預(yù)測中的應(yīng)用。首先闡述了隨機介質(zhì)理論預(yù)測老空區(qū)殘余變形的合理性,而后給出了模型中參數(shù)的選取原則�；赩isual Basic編制了老空區(qū)地表殘余變形預(yù)測系統(tǒng),并對武云高速老空區(qū)段建設(shè)場地的殘余變形進行了預(yù)計,結(jié)果表明:研究區(qū)域殘余變形最大值小于高等級公路的地基容許變形值,可以認(rèn)為其基本達到穩(wěn)定狀態(tài)。在此基礎(chǔ)上,提出了武云高速老空區(qū)段建設(shè)場地的治理對策:采用加鋪土工布、土工格柵等材料,提高路基的整體穩(wěn)定性,同時路面采用柔性材料,以滿足采空區(qū)剩余變形要求,確保高速公路通車安全。
[Abstract]:The stability of the old goaf affects the operation safety of the overlying freeway, and it is the basis of judging the stability of the old goaf to accurately estimate the residual deformation of the surface in the old goaf. In this paper, the application of random medium theory in prediction of residual deformation in old goaf is systematically studied by taking the construction site of Wuyun high-speed old goaf as an example. Firstly, the rationality of stochastic medium theory in predicting residual deformation in old space is expounded, and then the selection principle of parameters in the model is given. Based on Visual basic, the surface residual deformation prediction system in the old goaf is programmed, and the residual deformation of the construction site in the Wuyun high speed old goaf section is predicted. The results show that the maximum value of residual deformation in the studied area is less than the allowable deformation value of the foundation of high grade highway, and it can be considered as basically stable. On the basis of this, the paper puts forward some countermeasures for the construction site of Wuyun high speed old goaf section: adopting such materials as overlay geotextile, geogrid and so on, to improve the overall stability of roadbed, and at the same time, the pavement is made of flexible material. In order to meet the requirements of remaining deformation in goaf and ensure the safety of highway traffic.
【作者單位】： 河南武云高速公路有限公司;中國礦業(yè)大學(xué)國土環(huán)境與災(zāi)害監(jiān)測國家測繪地理信息局重點實驗室;河南省交通規(guī)劃設(shè)計研究院股份有限公司;
【基金】：國土環(huán)境與災(zāi)害監(jiān)測國家測繪地理信息局重點實驗室開放基金資助項目;項目編號LEDM2014B04 江蘇省高校優(yōu)勢學(xué)科建設(shè)工程資助項目;項目編號SZBF2011-6-B35 江蘇省普通高校研究生科研創(chuàng)新計劃項目;項目編號KYLX15_1438
【分類號】：U416.1

【相似文獻】

相關(guān)期刊論文 前1條

1 萬戰(zhàn)勝;楊鋒;黃勇博;;武云高速采空區(qū)保安煤柱留設(shè)技術(shù)研究[J];河南科技;2014年06期

，

本文編號：2116422