客專路基沉降變形監(jiān)測作業(yè)指導(dǎo)書

路基沉降變形監(jiān)測作業(yè)指導(dǎo)書一、路基工點(diǎn)類型本標(biāo)段正線全長39.353km，路基長4.822km，占線路長度的12%，路基工點(diǎn)類型主要有低矮路堤、短路基、邊坡防護(hù)路基、高路堤、深路塹、地下水路塹、膨脹土（巖）路塹、陡坡路基、基床處理路基、浸水路基、不良地質(zhì)路基（包括危巖落石、順層等）、特殊巖土路基（包括軟土、松軟土地基）二、觀測斷面及點(diǎn)的設(shè)置原則1、路基沉降監(jiān)測1.1路基沉降監(jiān)測的要求1）、路基沉降觀測應(yīng)以路基面沉降和地基沉降觀測為主。沉降變形觀測斷面應(yīng)根據(jù)不同的地基條件，不同的結(jié)構(gòu)部位等具體情況設(shè)置；測點(diǎn)的設(shè)置位置應(yīng)滿足設(shè)計要求，同時還應(yīng)針對施工掌握的地質(zhì)、地形等情況調(diào)整或增設(shè)。2）路基面和地基沉降觀測點(diǎn)應(yīng)設(shè)在同一橫斷面上。3）測點(diǎn)及元器件的埋設(shè)位置應(yīng)符合設(shè)計要求，且標(biāo)設(shè)準(zhǔn)確、埋設(shè)穩(wěn)定。1.2、觀測斷面及點(diǎn)的設(shè)置、元件布設(shè)觀測斷面的設(shè)置及觀測斷面的觀測內(nèi)容、元件的布設(shè)應(yīng)根據(jù)地形、地質(zhì)條件、地基壓縮層厚度、路堤高度、地基處理方法、堆載預(yù)壓等具體情況，結(jié)合沉降預(yù)測方法和工期要求具體確定。分以下幾種布設(shè)形式。1）、路基沉降變形監(jiān)測斷面元件布置示意圖A型A型斷面監(jiān)測2）、路基沉降變形監(jiān)測斷面元件布置示意圖B型B型斷面監(jiān)測3）、路基沉降變形監(jiān)測斷面元件布置示意圖C型C型斷面監(jiān)測4）、路基沉降變形監(jiān)測斷面元件布置示意圖D型D型斷面監(jiān)測面吉圖琿客晃專愛JH袍S掏Ⅶ敬標(biāo)路基沉降工跑點(diǎn)布置表及斷探面類型跌序號結(jié)路基工點(diǎn)斷面夸里程梳沉降監(jiān)測斷面呆類型泄1距GDK323濁+260論A續(xù)型斷面監(jiān)測釣2色GDK323假+359馳A伶型斷面監(jiān)測觀3昌GDK323華+400務(wù)A條型斷面監(jiān)測站4棉GDK323現(xiàn)+310萄B勁型斷面監(jiān)測沾5蒙GDK323紗+379逢B驢型斷面監(jiān)測嫩6撤GDK323撇+015犬D器型斷面監(jiān)測場7曲GDK323詳+095啄D斃型斷面監(jiān)測埋8異GDK323宮+175櫻D買型斷面監(jiān)測柿9姻GDK323脹+488默D輔型斷面監(jiān)測偏10統(tǒng)GDK333飯+087過A告型斷面監(jiān)測響11崗GDK333些+117沉A院型斷面監(jiān)測匆12享GDK333弱+097吹B樸型斷面監(jiān)測柄13羽GDK333揉+136葉D杏型斷面監(jiān)測椅14繩GDK335已+065總A盞型斷面監(jiān)測務(wù)15晉GDK335動+055村B暢型斷面監(jiān)測鄉(xiāng)16伐GDK335謎+048截D杰型斷面監(jiān)測祥17菠GDK339頃+020神A屬型斷面監(jiān)測斯18殊GDK339殺+100犧A忍型斷面監(jiān)測滔19扒GDK339吊+130重A瞞型斷面監(jiān)測培20者GDK339燈+070農(nóng)B倍型斷面監(jiān)測懸21壤GDK339餃+120匹B脖型斷面監(jiān)測帖22塑GDK338煮+926鄰D拖型斷面監(jiān)測賣23戶GDK338急+980株D扮型斷面監(jiān)測訊24昂GDK345申+170妨A據(jù)型斷面監(jiān)測透25南GDK345屆+200脂A蝴型斷面監(jiān)測霉26翁GDK345文+310說A槐型斷面監(jiān)測滋27惱GDK345駝+372壽A曲型斷面監(jiān)測網(wǎng)28糊GDK345些+180羊B筋型斷面監(jiān)測寸29刪GDK345猶+360谷B手型斷面監(jiān)測朋30緣GDK348儀+805肺A和型斷面監(jiān)測罷31衰GDK348痛+870恥A武型斷面監(jiān)測冶32氣GDK348隊+840業(yè)B外型斷面監(jiān)測駁33止GDK348光+880駝D握型斷面監(jiān)測璃34摧GDK352器+425細(xì)A夕型斷面監(jiān)測隆35冠GDK352發(fā)+459際A待型斷面監(jiān)測賣36房GDK352歲+489呈A黃型斷面監(jiān)測想37估GDK352買+479騾B貴型斷面監(jiān)測乞38聲GDK352蛙+395舞D栽型斷面監(jiān)測瓜39雹GDK354紐+314歇A族型斷面監(jiān)測蒙40俗GDK354還+344固A峰型斷面監(jiān)測性41愉GDK354產(chǎn)+443翁A漏型斷面監(jiān)測拜42協(xié)GDK354悶+500豆A夕型斷面監(jiān)測壓43到GDK354旁+614貢A攤型斷面監(jiān)測讓44怠GDK354毀+693孤A道型斷面監(jiān)測司45礦GDK354懼+850杰A四型斷面監(jiān)測墊46銹GDK354噸+890挺A膠型斷面監(jiān)測頭47筑GDK354浙+978羨A蘋型斷面監(jiān)測捷48抽GDK354購+324胡B編型斷面監(jiān)測欲49找GDK354調(diào)+453賞B范型斷面監(jiān)測帶50么GDK354德+624趁B帝型斷面監(jiān)測默51誼GDK354排+683吵B次型斷面監(jiān)測諸52慘GDK354愉+880闖B晌型斷面監(jiān)測縣53皇GDK354界+380壓C載型斷面監(jiān)測咱54飛GDK354曾+550洽C犬型斷面監(jiān)測清55蛇GDK354素+940輔C的型斷面監(jiān)測擋56久GDK354濃+635躲D補(bǔ)型斷面監(jiān)測咱57弟GDK354李+720戰(zhàn)D概型斷面監(jiān)測居58皺GDK354澡+770向D由型斷面監(jiān)測謙59偷GDK354透+820撫D被型斷面監(jiān)測困60畜GDK355會+000紙A她型斷面監(jiān)測候61霜GDK355趣+600扎A穗型斷面監(jiān)測注62良GDK355器+630鋤A雖型斷面監(jiān)測芒63柄GDK354童+998虛B甜型斷面監(jiān)測個64癥GDK355論+100患D主型斷面監(jiān)測皇65歉GDK355階+200菜D榆型斷面監(jiān)測芝66化GDK355隙+300茫D后型斷面監(jiān)測飯67稍GDK355廉+400妥D鞠型斷面監(jiān)測濃68靈GDK355員+500孔D寒型斷面監(jiān)測甚69朱GDK355職+570毛D畝型斷面監(jiān)測已70小GDK356伏+047她A熟型斷面監(jiān)測計71竊GDK356潔+077程A選型斷面監(jiān)測隸72托GDK356勺+170煌A社型斷面監(jiān)測統(tǒng)73亞GDK356遮+249灑A不型斷面監(jiān)測李74眨GDK356也+057血B指型斷面監(jiān)測騎75跑GDK356廉+239伯B仇型斷面監(jiān)測策76悔GDK356介+120能C猴型斷面監(jiān)測慰77占GDK356窩+280劑C摩型斷面監(jiān)測漁78坦GDK356肯+302隙D負(fù)型斷面監(jiān)測首79才GDK358芒+583貸A翠型斷面監(jiān)測亮80共GDK358給+613鏈A婆型斷面監(jiān)測灌81駱GDK358探+603挎B喂型斷面監(jiān)測仰82皇GDK358麻+488籍D桿型斷面監(jiān)測質(zhì)83譯GDK358虎+560膜D倦型斷面監(jiān)測盤84份GDK359搞+977廚A腦型斷面監(jiān)測稠85靈GDK360聾+007疾A曬型斷面監(jiān)測漿86蒜GDK360腹+090漸A神型斷面監(jiān)測別87境GDK360酸+120桑A馬型斷面監(jiān)測閑88言GDK360庫+163楊A(yù)送型斷面監(jiān)測么89禾GDK360瑞+249臨A壯型斷面監(jiān)測爭90爸GDK360普+300斯A門型斷面監(jiān)測容91倆GDK360刻+340蜻A稿型斷面監(jiān)測尾92德GDK359肥+987鋤B仿型斷面監(jiān)測猶93影GDK360路+110淡B鐘型斷面監(jiān)測柿94況GDK360城+173粉B撕型斷面監(jiān)測拾95脊GDK360蓮+259斯B底型斷面監(jiān)測止96執(zhí)GDK360乘+330厘B過型斷面監(jiān)測銷97謝GDK360胖+050電C裁型斷面監(jiān)測塌98醋GDK360居+150的C處型斷面監(jiān)測數(shù)99召GDK360現(xiàn)+200篇C售型斷面監(jiān)測灰100蚊GDK360數(shù)+390久C線型斷面監(jiān)測鹿101封DK027+眉939若D乖型斷面監(jiān)測由102務(wù)DK360+綠410微A汗型斷面監(jiān)測黃103滑DK360+近513于A輔型斷面監(jiān)測替104闖DK360+瓦570痰A(chǔ)淺型斷面監(jiān)測見105次DK360+卸670驚A撈型斷面監(jiān)測樸106歌DK360+牽770疾A奏型斷面監(jiān)測夾107菠DK360+個826象A動型斷面監(jiān)測釘108映DK360+節(jié)930蠢A趙型斷面監(jiān)測仙109塔DK360+擁057掘A撫型斷面監(jiān)測腦110怕DK360+響120收A偷型斷面監(jiān)測汁111孫DK360+鏟225蹄A津型斷面監(jiān)測足112睛DK360+供282戲A倘型斷面監(jiān)測傾113襪DK360+隔340惕A墾型斷面監(jiān)測描114移DK360+捉440梁A餐型斷面監(jiān)測梢115獸DK360+絨490賭A河型斷面監(jiān)測移116慰DK360+船545扛A鑼型斷面監(jiān)測兼117階DK360+勾601染A辰型斷面監(jiān)測降118遷DK360+篩647嘩A曲型斷面監(jiān)測鋸119攤DK360+如750命A步型斷面監(jiān)測園120扮DK360+悄460巾B咸型斷面監(jiān)測丑121撓DK360+提523待B融型斷面監(jiān)測扁122雅DK360+薄720伸B鹿型斷面監(jiān)測養(yǎng)123翼DK360+炊816怒B促型斷面監(jiān)測素124姐DK360+煩980抱B亡型斷面監(jiān)測碗125捕DK361+房042感B選型斷面監(jiān)測竿126鬼DK361+常067壘B扎型斷面監(jiān)測戶127胖DK361+敘170勸B歇型斷面監(jiān)測罩128芽DK361+秤292驟B康型斷面監(jiān)測標(biāo)129建DK361+無390囑B鼠型斷面監(jiān)測雖130典DK361+違535牌B培型斷面監(jiān)測慮131級DK361+蘇591畢B達(dá)型斷面監(jiān)測競132橫DK360+奸620川C讓型斷面監(jiān)測褲133塔DK360+覽880買C冰型斷面監(jiān)測習(xí)134矛DK361+糧700難C玻型斷面監(jiān)測億2滾、路塹高邊坡雅變形監(jiān)測哲郊益根據(jù)地質(zhì)條件弊及工程實(shí)踐經(jīng)認(rèn)驗，主要針對膚以下地質(zhì)條件鵲、邊坡高度設(shè)狗置邊坡位移、秋應(yīng)力狀態(tài)的監(jiān)疲測系統(tǒng)：市2.同1嫌、滑坡、堆積臉體等不良地質(zhì)票邊坡；陸2.泥2滾、膨脹土及紅隙粘土路塹邊坡景高度》奮1拿0蘆米地；一般土質(zhì)及豈風(fēng)化層路塹邊粥坡高度》悉1掛5影米鵲；一般軟質(zhì)巖付及軟硬互層路怨塹邊坡高度》銷2燙0跳米哲；硬質(zhì)巖路塹類邊坡高度》凳3逝0食米禍；愚2.丙3糠、順層邊坡或診受構(gòu)造影響不夕利結(jié)構(gòu)面發(fā)育杰的邊坡；登每工點(diǎn)應(yīng)有不腰少叢于暖2珠個邊坡位移監(jiān)恒測斷面。社結(jié)合路塹邊坡態(tài)的形式，分為索以慌下斑3奏種監(jiān)測斷面形佩式測1娛、家蝴彈音絹哨誘豬陶Ⅰ遠(yuǎn)型監(jiān)測斷面布摩置圖（單位：如米）班2魚、抽折撓牌咐概Ⅱ麗型監(jiān)測斷面布志置圖撫3圓、泉撫胞槐量惕陸Ⅲ踩型監(jiān)測斷面布膠置圖權(quán)本標(biāo)段路塹邊杰坡監(jiān)測斷面表瞎序號械邊坡監(jiān)測斷面隸里程無斷面類型雹1耀GDK323屬+015派I掉型監(jiān)測斷面肺2奇GDK323汪+065遠(yuǎn)I牌型監(jiān)測斷面箭3遲GDK323蠻+105痕I供型監(jiān)測斷面該4宰GDK349描+220領(lǐng)I刑型監(jiān)測斷面吸5兵GDK349瞧+260掀I里型監(jiān)測斷面漏6他GDK349格+300個I蜻型監(jiān)測斷面楚7濃GDK349爭+220妥Ⅲ妄型監(jiān)測斷面訴8亮GDK349粉+260銜Ⅲ宗型監(jiān)測斷面斜9浴GDK349修+300貢Ⅲ怠型監(jiān)測斷面質(zhì)10閣GDK355偶+050衛(wèi)I貪型監(jiān)測斷面爆11際GDK355窮+090跨I懂型監(jiān)測斷面辭12窯GDK355索+130致I蠢型監(jiān)測斷面喂13刷GDK355設(shè)+180頃I鍋型監(jiān)測斷面廚14式GDK355憂+230毒I汁型監(jiān)測斷面期15足GDK355伙+280工I郊型監(jiān)測斷面澇16輛GDK355范+330努I區(qū)型監(jiān)測斷面墳17唱GDK355勸+380義I群型監(jiān)測斷面振18捕GDK355愚+050膚Ⅱ勁型監(jiān)測斷面崖19庭GDK355廉+090嗽Ⅱ御型監(jiān)測斷面剃20嫂GDK355平+130參Ⅱ運(yùn)型監(jiān)測斷面生21詢GDK355鴨+130吳Ⅲ撞型監(jiān)測斷面渣22辟GDK355從+180塊Ⅲ顏型監(jiān)測斷面眉23欲GDK355舅+230佩Ⅲ營型監(jiān)測斷面粘24瘡GDK355峽+280敬Ⅲ賞型監(jiān)測斷面暮25等GDK355假+330脫Ⅲ偶型監(jiān)測斷面錦26妹GDK355拳+380眨Ⅲ胃型監(jiān)測斷面捕三、觀測元件喪的選取、埋設(shè)子3.導(dǎo)1省、觀測元件的趙選?。簱Q錯且應(yīng)滿足工后沉殿降的評估需要搜以及精度要求虹。路基面采用溜觀測樁觀測，防地基面采用沉網(wǎng)降板、剖面沉責(zé)降管相結(jié)合進(jìn)壩行觀測。路塹經(jīng)高邊坡采用位榜移監(jiān)測樁進(jìn)行智觀測。里3.摟2仍、觀測元件的閱埋設(shè)：讓簡拆觀測元件除沉世降觀測樁外，優(yōu)均應(yīng)在地基加婆固完成后路堤串填筑施工前及悅高邊坡路塹開矮挖至設(shè)計埋樁填位置后埋設(shè)。側(cè)1紫沉降觀測樁（姜點(diǎn)）典(紐1)倒在一般路基填陰筑至基床表層喇訴頂面，加載預(yù)貼壓路堤填筑到綢基床底層頂面蘋后，埋設(shè)沉降類觀測樁；路基桌面兩側(cè)觀測樁城一般設(shè)在距左車右線路中心僵3.2m致處（由于部分緊樁位會與接觸贏網(wǎng)立柱基礎(chǔ)、斷通信、信號電異纜槽手孔有干煙擾，以后埋設(shè)框的可改為阿2.7m井處）。埋設(shè)規(guī)薪格見附圖攀(2恐)尺要求填筑至基端床表層頂面埋底設(shè)觀測樁，但控若施工在施工貨過程中級配碎仔石等供應(yīng)困難坐，架梁工期緊警，也可在基床曲表層填筑飲20cm企后，埋設(shè)路面繞觀測樁。斤2奇根沉降板：由鋼律底板、金屬測茂桿瓣（頓φ顆40mm咽厚壁鐵管）及夫保護(hù)套管（直趟徑不小唱于腎φ壯75mm爆、壁厚不小于蒼4mm健的執(zhí)硬鞭PV冠C統(tǒng)管）組成，鋼忍底板尺寸為搶50cm桶×泛50cm告，厚利1cm比；具體按設(shè)計絮圖樣焊接組裝顫。具沉降板應(yīng)埋入麗褥墊層頂部嵌東入不少于滾10cm位，采用中粗砂暗回填密實(shí)，再永套上保護(hù)套管棍，保護(hù)套管低鍛于沉降板金屬伶測桿，保護(hù)套型管和金屬測管僚上口均加蓋封餃住管口，并在融其周圍填筑相狼應(yīng)填料穩(wěn)定保軟護(hù)套管，完成框沉降板的埋設(shè)抗工作。采用水菌準(zhǔn)儀按國家一因等精密水準(zhǔn)測削量方法測量埋吐設(shè)就位的沉降工板測桿桿頂標(biāo)恩高作為初始讀甜數(shù)榆(棗測量一定要準(zhǔn)容確），隨著路木基填筑施工逐凱漸接高沉降板凳測桿和保護(hù)套斑管，每次接長薦高度以選1m博為宜，接長前禍后測量桿頂標(biāo)戰(zhàn)高變化量確定宰接高量。敬3臣、邊樁示意圖李4材、單點(diǎn)沉降計浴單點(diǎn)沉降計采持用智能數(shù)碼單止點(diǎn)位移計，屬汗智能位移傳感翻器，由沉降盤鐮、智能電感磁形通調(diào)頻位移計傾、導(dǎo)磁體、波掩紋管、測桿、悶測桿直螺紋接授頭、錨頭，測糠試導(dǎo)線組成。甲單點(diǎn)沉降計有腔關(guān)圖示膨5景、路塹位移監(jiān)鞏測樁及其埋設(shè)動大樣圖屑驚6率、剖面沉降管妥：采用專用塑掙料硬管，其抗偶彎剛度應(yīng)適應(yīng)煤被測土體的豎宏向位移要求，轉(zhuǎn)管端接口密合襪。剖面沉降測烈量是將剖面沉繁降儀探頭預(yù)埋柿在剖面沉降管和槽內(nèi)，按一定事間距依次讀數(shù)悲，起始端管口塔標(biāo)高首(筑設(shè)置水準(zhǔn)點(diǎn)）晃采用水平儀按皆國家一等精密除水準(zhǔn)測量方法時進(jìn)行測量，再挎通過數(shù)據(jù)處理排計算求出不同招位置處地基的差沉降量。廟女批剖面沉降管在毫褥墊層頂面開赴槽埋設(shè)（不是屋埋設(shè)在褥墊層除底部），槽底障中粗砂找平，亂表面回填年5怠～召10cm踩中粗砂并與褥艇墊層相平，兩挎端部應(yīng)進(jìn)行有抗效保護(hù)。芹剖面沉降管埋耍設(shè)示意圖營四、過渡段沉夜降觀測雀1憐、錘鏈過渡段沉降觀甲測應(yīng)以逃路基面沉降和聯(lián)不均勻沉降觀南測為主，沉降鑰觀測期與路基憤相同，不少于迅6世個月。鵲糊攝分別在路橋、蔬路涵、路隧過登渡段的結(jié)構(gòu)物夾起點(diǎn)、距結(jié)構(gòu)扎物起點(diǎn)帶5