高路堤沉降预估方法的研究-岩土工程专业论文.docxVIP

精 要 随卷我国高速公路建设构飞滤凇展，在中两部地区出现了越来越彩的岗路堤。 强蓊，戮瘸努对路基滚终鼹渊嬲激辩鞭话方法魏疆究，主要蹩镑黠戡撼懑豹：豹工 作，在商路堤方面则缺乏全僦祭缡的观测资料和研究成果。因此，开殿离路堤沉 隆颟佼方浚静研究具窍熏簧鼹二￡程懑义秘理论徐馑。 奉文在汲褒美茬沉黪预惩磷懿袋聚魏基磷上，分瓤了皮容藏线强获热慕绞理 谂在囊藕鬟流癸强绩审应耀鹣理论蕊馥l，建立了蠢貉鬟溪癸戆受尔预镄羧整释获 毽该蘩蒗楚，箕攘鍪诗葵蔫聚与实灞数霉渤台楚持。在皮泰颥髅攫黧申，考虑了 流簿褒溺辩翱魏菲等黠鞭瞧对淡黪鞭髂靛影璃，并弓i进了一静瓤瀚模型参羧诗算 法隧壳鞭鞭有翡三段计算法瓣数掇磷数必须是3静倍数酌要求。奁获媳鞭依模鍪 中，考虑了沉降观测时间的非替时蹶性、实测沉降数据的不断更新憾和燃士加载 过程对讽降预估的影响，并建??了灰色Verhulst模型作为中长期预储横烈的补充。 越韩，蘩予MATLAB5．3软{串开缴了离路堤滋洚预售豹可筏镬：搽襻嚣瓣疆减少流 降预饿的工作量和实现高路耀溉麟濒估的可视他操作。最后，运用巍鼢蠛沉降顸 估瓣方法，分轿了寒寰鑫速公路突溅沈降观测数撼，荠诗算其二f=届流降爨，验证 了塞宣褰藩鬟嚣鼯稳定毪，{霉对遵貔遴’了誊文建立酶溪簿预馋方法蕊商效爨。 关键溺； 褰薅凝；泼黪；痰尔鞭箍模鍪；衮色该蘩摸鹜  Abstract Along with the rapid development of highway construction in China，there have been more and more high embankments i摭Midwest area。At present,the domestic and foreign studies on settlement observation and settlement prediction method for roadbed are mainly aimed at soft foundation，but the all—round and systematie observation data and stud?,achievements a缛rare in high embankment+So，it has great engineering meaning and热∞托矗。al value to carry out the study on settlement prediction method ofhi垂embankment． Based on the existing study achievements on settlement prediction，the dissertation analyzed theoretle basis according to which Peal curve and gray system theory can be applied in settlement prediction of high embankment，and established Peal prediction model and gray prediction model for high embankment settlement，and the results show that the model values agreed well with practical ones+In Peal predietion model，the influence of unequal timeqnterval of settlement observation on settlement prediction is considered，and 8 new calculation method of model parameters is introduced to overcome the requirement of original three-section calculation method that the number of data item must be the multipie of 3，tn gray prediction model，the influence of unequal time-interval of setttement observation，unceasing renew懿o} measured settlement data and filling process on settlement prediction are considered， and gray