水利与建筑工程学报
水利與建築工程學報
수리여건축공정학보
TECHNIQUE OF SEEPAGE CONTROL
2014年
5期
66-72
,共7页
林兴旺%简文彬%董岩松%陈玮%黄俊宝
林興旺%簡文彬%董巖鬆%陳瑋%黃俊寶
림흥왕%간문빈%동암송%진위%황준보
台风暴雨%滑坡%饱和-非饱和%渗流特性%稳定性
檯風暴雨%滑坡%飽和-非飽和%滲流特性%穩定性
태풍폭우%활파%포화-비포화%삼류특성%은정성
typhoon rainstorm%landslide%saturation-unsaturation%seepage characteristics%stability
福建地处我国东南沿海地区,每年台风暴雨季期间都会有大量的滑坡发生。为研究已产生滑动带的滑坡体在强降雨条件下的渗流及稳定性变化,采用Seep与Slope软件对福建德华马坪滑坡进行了渗流场的模拟和稳定性的计算,得出了渗流场及稳定性的变化规律。结果显示:对于已存在有滑动带的马坪滑坡,坡顶区域范围内的雨水入渗已成为控制该滑坡体稳定性的关键因素。坡体的稳定性在降雨结束后的第一天最低,之后坡体的稳定性逐渐提高。其结果真实的反映了滑体稳定性现状和规律,最后提出了相关的治理措施。
福建地處我國東南沿海地區,每年檯風暴雨季期間都會有大量的滑坡髮生。為研究已產生滑動帶的滑坡體在彊降雨條件下的滲流及穩定性變化,採用Seep與Slope軟件對福建德華馬坪滑坡進行瞭滲流場的模擬和穩定性的計算,得齣瞭滲流場及穩定性的變化規律。結果顯示:對于已存在有滑動帶的馬坪滑坡,坡頂區域範圍內的雨水入滲已成為控製該滑坡體穩定性的關鍵因素。坡體的穩定性在降雨結束後的第一天最低,之後坡體的穩定性逐漸提高。其結果真實的反映瞭滑體穩定性現狀和規律,最後提齣瞭相關的治理措施。
복건지처아국동남연해지구,매년태풍폭우계기간도회유대량적활파발생。위연구이산생활동대적활파체재강강우조건하적삼류급은정성변화,채용Seep여Slope연건대복건덕화마평활파진행료삼류장적모의화은정성적계산,득출료삼류장급은정성적변화규률。결과현시:대우이존재유활동대적마평활파,파정구역범위내적우수입삼이성위공제해활파체은정성적관건인소。파체적은정성재강우결속후적제일천최저,지후파체적은정성축점제고。기결과진실적반영료활체은정성현상화규률,최후제출료상관적치리조시。
Fujian is located in the southeast coastal area of China ,where lots of landslides are triggered by rainfall every year in typhoon rainstorm season .In order to study the changes of seepage and stability changes of the landslide which al-ready possessed a sliding zone under heavy rain ,the software Seep and Slope were used to simulate the seepage field and calculate the stability coefficient of the landslide of Maping ,Dehua ,Fujian .The change laws of its seepage field and sta-bility were obtained .The analysis indicate that regarding to Maping landslide ,the rainfall infiltration to the top of the landslide is the key factor in controlling the stability of the landslide .The stability reaches the lowest at the first day after a rainfall ,and then increases gradually ,which actually reflects the status and change laws of the landslide stability .At last ,the control measures of the landslide stability was put rorward .