瀝青路面結(jié)構(gòu)厚度計算示例

PAGEPAGE55附錄A瀝青路面結(jié)構(gòu)厚度計算示例A.1基本資料A.1.1路段所在地區(qū)基本資料某高速公路地處Ⅱ2區(qū)，為雙向四車道，擬采用瀝青路面結(jié)構(gòu)，進(jìn)行施工圖設(shè)計，沿線土質(zhì)為中液限粘性土，填方路基高1.8m，地下水位距路床2.4m；年降雨量為620mm/年，最高氣溫35℃，最低氣溫-31℃，多年平均凍結(jié)指數(shù)為882℃?d，最大凍結(jié)指數(shù)為1225℃?d。A.1.2土基回彈模量的確定設(shè)計路段路基處于中濕狀態(tài)，路基土為中液限粘質(zhì)土，查表法可得土基回彈模量值為36MPa。A.1.3根據(jù)工程可行性研究報告可知路段所在地區(qū)近期交通量調(diào)查資料（表A.1.3）表A.1.3近期交通組成與交通量車型數(shù)量（輛/日）三菱FR415400五十鈴NPR595G320江淮HF140A450江淮HF150460東風(fēng)KM340560東風(fēng)SP9135B368五十鈴EXR181L530A.1.4交通量資料根據(jù)交通調(diào)查進(jìn)行綜合分析，預(yù)測其交通增長率前五年為8.0%、之后五年為7.2%，最后五年為5.0%。累計軸次計算結(jié)果如表A.1.4所示，屬于D級交通。表A.1.4軸載換算與累計軸載換算方法彎沉及瀝青層拉應(yīng)力指標(biāo)半剛性層拉應(yīng)力指標(biāo)設(shè)計年限內(nèi)累計交通軸次2254萬次1846萬次A.1.5初擬路面結(jié)構(gòu)擬定采用兩種路面結(jié)構(gòu)，分別為半剛性基層瀝青路面與混合式基層瀝青路面。根據(jù)結(jié)構(gòu)層的最小施工厚度、材料、水文、交通量以及施工機(jī)具的功能等因素，初步確定路面結(jié)構(gòu)組合與各層厚度如下：結(jié)構(gòu)一:半剛性基層瀝青路面4cm細(xì)粒式瀝青混凝土+6cm中粒式瀝青混凝土+8cm粗粒式瀝青混凝土+36cm水泥穩(wěn)定碎石基層+二灰土底基層，以二灰土為設(shè)計層。結(jié)構(gòu)二:混合式基層瀝青路面4cm細(xì)粒式瀝青混凝土+6cm中粒式瀝青混凝土+10cmLSM（大粒徑瀝青碎石）+二灰穩(wěn)定砂礫+20cm天然砂礫墊層，以二灰穩(wěn)定砂礫為設(shè)計層。A.2路面材料配合比設(shè)計與設(shè)計參數(shù)的確定A.2.1試驗材料的確定半剛性基層所用集料與結(jié)合料取自沿線料場，瀝青選用重交通90#石油瀝青，上面層采用SBS改性瀝青，技術(shù)指標(biāo)均符合《公路瀝青路面施工技術(shù)規(guī)范》相關(guān)規(guī)定。A.2.2路面材料抗壓回彈模量的確定1半剛性材料的抗壓回彈模量按照《公路工程無機(jī)結(jié)合料穩(wěn)定材料試驗規(guī)程》（JTJ057）中T0801-94規(guī)定的頂面法測定。水泥穩(wěn)定碎石試驗均值為3188，方差為782；二灰土試驗均值為2091，方差為688；二灰穩(wěn)定砂礫均值為3617，方差為634。2瀝青混合料的抗壓回彈模量參照T0801-94規(guī)定的方法進(jìn)行，測定20℃的抗壓回彈模量，各種材料的試驗結(jié)果與設(shè)計參數(shù)見下表：表A.2.2-1瀝青材料抗壓回彈模量測定與參數(shù)取值材料名稱20℃抗壓模量（MPa）材料名稱抗壓回彈模量（MPa）Ep方差Ep-2σEp方差Ep-2σσEp代σEp代細(xì)粒式瀝青混凝土19912011589水泥穩(wěn)定碎石31887821624中粒式瀝青混凝灰土2091688715粗粒式瀝青混凝土97855868二灰穩(wěn)定砂礫36176342349大粒徑瀝青碎石LSM12481161016級配碎石2503路面材料彎拉強度與彎拉模量的取值根據(jù)當(dāng)?shù)匾延性囼炠Y料，結(jié)合相鄰公路的設(shè)計情況，彎拉強度與彎拉模量選用經(jīng)驗值。表A.2.2-2路面材料彎拉強度與模量取值材料名稱細(xì)粒式瀝青混凝土中粒式瀝青混凝土粗粒式瀝青混凝土大粒徑瀝青碎石水泥穩(wěn)定碎石二灰土二灰穩(wěn)定砂礫彎拉強度（MPa）1.21.00.80.60.60.30.5彎拉模量（MPa）3000280026001500645728465021A.3路面厚度設(shè)計A.3.1半剛性基層瀝青路面厚度計算高速公路設(shè)計年限為15年，設(shè)計彎沉值為20.3(0.01mm)。利用設(shè)計程序計算出滿足設(shè)計彎沉指標(biāo)要求的結(jié)構(gòu)層厚度為16.0cm；滿足層底拉應(yīng)力要求的結(jié)構(gòu)層厚度為19.6cm。設(shè)計厚度取20cm。各結(jié)構(gòu)層的驗算結(jié)果如表A.3.1所示。表A.3.1結(jié)構(gòu)厚度計算結(jié)果序號結(jié)構(gòu)層材料名稱抗壓模量(Mpa)彎拉模量(Mpa)彎拉強度(Mpa)厚度(cm)層底拉應(yīng)力(MPa)容許拉應(yīng)力(MPa)1細(xì)粒式瀝青混凝土158930001.24-0.150.452中粒式瀝青混凝土1215280016-0.170.383粗粒式瀝青混凝土86826000.87-0.040.304水泥穩(wěn)定碎石162464570.6320.230.275二灰土71528460.3200.100.116土基36—————路表計算彎沉ls=19.1(0.01mm)A.3.2混合式基層瀝青路面路面厚度計算設(shè)計彎沉值為23.4(0.01mm)，利用設(shè)計程序計算出滿足設(shè)計彎沉指標(biāo)要求的結(jié)構(gòu)層厚度為27.3cm；滿足層底拉應(yīng)力要求的結(jié)構(gòu)層厚度為37.0cm。設(shè)計厚度取37cm。各結(jié)構(gòu)層的驗算結(jié)果如表A.3.2所示。表A.3.2結(jié)構(gòu)厚度計算結(jié)果序號結(jié)構(gòu)層材料名稱抗壓模量(Mpa)彎拉模量(Mpa)彎拉強度(Mpa)厚度(cm)層底拉應(yīng)力(MPa)容許拉應(yīng)力(MPa)1細(xì)粒式瀝青混凝土158930001.24-0.140.452中粒式瀝青混凝土1215280016-0.130.383LSM101615000.610-0.040.234二灰穩(wěn)定砂礫234950210.5370.220.235天然砂礫250——20——6土基36—————路表計算彎沉ls=17..9(0.01mm)A.3.3驗算防凍厚度按照規(guī)范要求進(jìn)行抗凍厚度驗算，路面結(jié)構(gòu)厚度滿足最小抗凍厚度要求。A.3.4方案技術(shù)經(jīng)濟(jì)比選經(jīng)過工程預(yù)算分析，兩種路面結(jié)構(gòu)的總造價分別為：半剛性基層路面每平米185元，混合式結(jié)構(gòu)每平米162元。本地區(qū)降雨量較大，考慮到路面長期使用性能，結(jié)合當(dāng)?shù)貙嶋H情況建議采用混合式基層瀝青路面。附錄B氣候區(qū)有關(guān)資料表B.11960--2000年各省氣候統(tǒng)計資料站名省份緯度氣溫最高、最低氣溫凍結(jié)指數(shù)最低氣溫最高氣溫98%保證率多年平均標(biāo)準(zhǔn)差最熱7天多年平均標(biāo)準(zhǔn)差最高氣溫最低氣溫多年平均極大值毫州安徽33.87-12336240-183981合肥安徽31.87-9236138-131633黃山安徽30.13-18223125-22249347北京北京39.93-16334238-22178308廈門福建24.4841341362--九仙山福建25.72-10225127-14--建甌福建27.05-5237139-9--福州福建26.081236138-3--酒泉甘肅39.77-25331133-31699858蘭州甘肅36.05-17233237-21276338天水甘肅34.58-14232236-18105154湛江廣東21.2262341362--廣州廣東23.133235137-1--韶關(guān)廣東24.8-1236138-5--南寧廣西22.822235137-2--北海廣西21.4842331350--桂林廣西25.32-2235137-6--威寧貴州26.87-9225127-13--貴陽貴州26.58-5231133-9--羅甸貴州25.43-1235137-5--三亞海南18.23123331356--?？诤Ｄ?0.0382351374--表B.21960--2000年各省氣候統(tǒng)計資料站名省份緯度氣溫最高、最低氣溫凍結(jié)指數(shù)最低氣溫最高氣溫98%保證率多年平均標(biāo)準(zhǔn)差最熱7天多年平均標(biāo)準(zhǔn)差最高氣溫最低氣溫多年平均極大值西沙海南16.831813313516--石家莊河北38.03-15335137-21113184圍場河北41.93-26229233-3010831233張家口河北40.78-21233237-25599708安陽河南36.12-13335137-1969153三門峽河南34.8-11235239-155393鄭州河南34.72-12235239-164891南陽河南33.03-10335239-162267漠河黑龍江53.47-47329233-5335734148黑河黑龍江50.25-37330234-4324502843哈爾濱黑龍江45.75-34331133-4016232140綏芬河黑龍江44.38-31229233-3515862009宜昌湖北30.7-4237139-8110荊州湖北30.33-6335137-12212武漢湖北30.62-9336138-15519衡陽湖南26.9-4237139-8--南岳湖南27.3-12227129-16--岳陽湖南29.38-5335137-11--白城吉林45.63-31332236-3714872092長春吉林43.9-29331235-3513081799樺甸吉林42.98-37430234-4515042088松江吉林42.53-38329233-4416311958徐州江蘇34.28-12335137-184276南京江蘇32-10235137-141533南通江蘇32.02-8234136-12925贛州江西25.85-3136138-5--南昌江西28.6-5237139-9--廬山江西29.58-13228130-17--表B.31960--2000年各省氣候統(tǒng)計資料站名省份緯度氣溫最高、最低氣溫凍結(jié)指數(shù)最低氣溫最高氣溫98%保證率多年平均標(biāo)準(zhǔn)差最熱7天多年平均標(biāo)準(zhǔn)差最高氣溫最低氣溫多年平均極大值景德鎮(zhèn)江西29.3-7236138-11--開原遼寧42.53-31331235-3710951542錦州遼寧41.13-21331235-27546865沈陽遼寧41.73-27231235-318821225大連遼寧38.9-16329131-22242360圖里河內(nèi)蒙古50.48-46227231-5033703902海拉爾內(nèi)蒙古49.22-40330234-4626313097烏拉特后旗內(nèi)蒙古41.57-29331235-3511871356呼和浩特內(nèi)蒙古40.82-25331235-318991028錫林浩特內(nèi)蒙古43.95-34332236-4018282060銀川寧夏38.48-22332134-28503607固原寧夏36-24328232-30600736德令哈青海37.37-27427231-359521093西寧青海36.62-21228232-25594760伍道梁青海35.22-32216220-3624432579清水河青海33.8-37316118-4323622804濟(jì)南山東36.68-13235137-1769171泰山山東36.25-22223125-26654785沂源山東36.18-16233135-20158203青島山東36.07-11230132-1564115大同山西40.1-26231235-30830940五臺山山西39.03-35316220-4119142501太原山西37.78-20232134-24331393運城山西35.03-14236240-1865102榆林陜西38.23-25333237-31651804延安陜西36.6-20233135-24324466西安陜西34.3-11336138-174692漢中陜西33.07-7133237-9422表B.41960--2000年各省氣候統(tǒng)計資料站名省份緯度氣溫最高、最低氣溫凍結(jié)指數(shù)最低氣溫最高氣溫98%保證率多年平均標(biāo)準(zhǔn)差最熱7天多年平均標(biāo)準(zhǔn)差最高氣溫最低氣溫多年平均極大值上海龍華上海31.17-7235137-11--石渠四川32.98-32318120-3815241661松潘四川32.65-18225229-22270369成都四川30.67-4133135-602康定四川30.05-12223125-16178235西昌四川27.9-2232236-6--萬源四川32.07-6234136-10111天津天津39.1-15333135-21207317那曲西藏31.48-31418222-3913821712拉薩西藏29.72-15226230-19108182帕里西藏27.73-26314116-3210251752阿勒泰新疆47.73-35532134-4515271838青河新疆46.67-41529233-5122872780烏魯木齊新疆43.78-27434238-3510821462喀什新疆39.47-18434136-26272383哈密新疆42.82-23337241-29692897中甸云南27.83-20321123-26198324昭通云南27.35-8228130-123257昆明云南25.02-3227129-701景洪云南2262352392--杭州浙江30.23-6236138-10413溫州浙江28-3134136-5--沙坪壩重慶29.581238140-3--酉陽重慶28.8-5133135-7--附錄C瀝青面層礦料級配與瀝青貫入式面層表C.1各種混合料的集料級配表級配類型通過各篩孔（mm）的質(zhì)量百分率（%）31.526.519.016.013.29.54.752.361.180.60.30.150.075AC-510090-10055-7535-5520-4012-287-186-10AC-1010090-10045-7530-5820-4413-329-236-164-8AC-1310090-10068-8538-6824-5018-3810-287-205-154-8AC-1610090-10070-9260-8034-6220-4813-369-267-185-144-8AC-2010090-10074-9062-8250-7032-4622-3616-2810-226-164-123-7AC-2510090-10070-9060-8251-7340-6524-4814-3210-247-186-144-103-7SAC-1010095-10025-3525-3519-2715-2111-168-126-10SAC-1310095-10066-7430-4023-3217-2513-2010-168-136-10SAC-1610095-10079-8658-6730-4023-3217-2513-2010-168-136-10AK-1310090-10060-8030-5320-4015-3010-237-185-124-8AK-1610095-10070-9256-7630-5020-3616-2810-208-166-134-8AM-1310090-10050-8020-458-284-202-160-100-80-6AM-1610090-10060-8545-6818-406-253-181-140-100-80-5AM-2010090-10060-8550-7540-6515-405-222-161-120-100-80-5SMA-1010080-10028-5020-3214-2612-2210-189-168-12SMA-1310090-10050-7520-3415-614-2412-2010-169-158-2SMA-1610090-10065-8545-6520-3215-2414--2212-1810-159-148-12SMA-1910090-10072-9262-8240-5518-3013-2212-2010-169-148-138-12PAGE64-表C.2瀝青貫入式面層材料規(guī)格和用量（方孔篩）瀝青品種石油瀝青規(guī)格和用量規(guī)格用量規(guī)格規(guī)格規(guī)格用量封層料S143-5S14S13(S14)S13(S14)4-6第三遍瀝青1.0-1.21.0-1.2第二遍嵌縫料S126-7S11(S10)S11(S10)10-12第二遍瀝青1.6-1.82.0-2.2第一遍嵌縫料S10(S9)12-14S8S8(S6)16-18第一遍瀝青1.8-2.12.8-3.0主層石料S545-50S4S10(S11)S3(S2)66-76瀝青總用量4.4-5.15.8-6.4注：集料用量單位為m3/1000m2，瀝青及瀝青乳液單位為kg/m2。表C.3瀝青貫入式面層材料規(guī)格和用量（方孔篩）瀝青品種石油瀝青乳化瀝青厚度(cm)7845規(guī)格和用量規(guī)格用量規(guī)格用量規(guī)格用量規(guī)格用量封層料S13(S14)4-6S13(S14)4-6S13(S14)4-6S144-6第二遍瀝青第四遍嵌縫料S145-6第四遍瀝青1.2-1.40.8-1.0第三遍嵌縫料S145-6S127-9第三遍瀝青1.0-1.21.0-1.21.4-1.61.5-1.7第二遍嵌縫料S10(S11)11-13S10(S11)11-13S127-8S109-11第二遍瀝青2.4-2.62.6-2.81.6-1.81.6-1.8第一遍嵌縫料S6(S8)18-20S6(S8)20-22S912-14S810-12第一遍瀝青3.3-3.54.0-4.22.2-2.42.6-2.8主層石料S380-90S1(S2)95-100S540-45S950-55瀝青總用量6.7-7.37.6-8.26.0-6.87.5-8.5注：①表中乳化瀝青是指乳液的用量，并適用于乳液濃度約為60%的情況。②在高寒地區(qū)及干旱風(fēng)砂大的地區(qū)，可超出高限，再增加5%~10%。表C.4表面加鋪拌和層時貫入層部分的材料規(guī)格和用量(方孔篩)瀝青品種石油瀝青厚度(cm)456規(guī)格和用量規(guī)格用量規(guī)格用量規(guī)格用量第二遍嵌縫料S125-6S12(S11)7-9S12(S11)7-9第二遍瀝青1.4-1.61.6-1.81.6-1.8第一遍嵌縫料S10(S9)12-14S816-18S8(S7)16-18第一遍瀝青2.0-2.32.6-2.83.2-3.4主層石料S545-50S455-60S3(S2)66-76瀝青總用量3.4-3.94.2-4.64.8-5.2瀝青品種石油瀝青乳化瀝青厚度(cm)756規(guī)格用量規(guī)格用量規(guī)格用量規(guī)格用量第四遍嵌縫料S144-6第四遍瀝青1.3-1.5第三遍嵌縫料S144-6S128-10第三遍瀝青1.4-1.61.4-1.6第二遍嵌縫料S10(S11)8-10S129-10S98-12第二遍瀝青1.7-1.91.8-2.01.5-1.7第一遍嵌縫料S6(S8)18-20S815-17S624-26第二遍瀝青4.0-4.22.5-2.72.4-2.6主層石料S2(S3)80-90S450-55S350-55瀝青總用量5.7-6.15.9-6.26.7-7.2注：①表中乳化瀝青是指乳液的用量，并適用于乳液濃度約為60%的情況。②在高寒地區(qū)及干旱風(fēng)砂大的地區(qū)，可超出高限，再增加5%-10%。表C.5瀝青表面處治面層材料規(guī)格和用量（方孔篩）瀝青種類類型厚度(mm)集料(m3/1000m2)瀝青或乳液用量(kg/m2)第一層第二層第三層第一次第二次第三次合計用量規(guī)格用量規(guī)格用量規(guī)格用量石油瀝青單層1015S12S107-912-141.0-1.21.4-1.61.0-1.21.4-1.6雙層152025S10S9S812-1416-1818-20S12S12S127-87-87-81.4-1.61.6-1.81.8-2.01.0-1.21.0-1.21.0-1.22.4-2.82.6-3.02.8-3.2三層2530S8S618-2020-22S12S1212-1412-14S12S127-87-81.6-1.81.8-2.01.2-1.41.2-1.41.0-1.21.0-1.23.8-4.44.0-4.6乳化瀝青單層05S147-90.9-1.00.9-1.0雙層10S129-11S144-61.8-2.01.0-1.22.8-3.2三層30S620-22S109-11S12S144-63.5-5.52.0-2.21.8-2.01.0-1.24.8-5.4注：①表中乳化瀝青的乳液用量按照蒸發(fā)殘留物含量60%計算，如含量不同應(yīng)予換算；②在高寒地區(qū)及干旱風(fēng)沙大的地區(qū)，可超出高限5%–10%。PAGEPAGE76附錄D無結(jié)合料材料的級配組成表D.1級配碎石混合料的級配組成層位通過下列篩孔(mm)質(zhì)量百分比(%)液限塑指備注37.531.526.5191613.29.54.752.361.180.60.30.150.074(%)(%)上基層10085-10060-8030-5015-3010-202-8<28<9基層10090-10075-9050-7030-5515-3510-204-10<28<9連續(xù)型10085-9566-7854-7150-6441-5125-3315-238-165-113-82-60-4<28<9骨架密實型10085-9566-8044-5637-4831-4128-3818-2812-208-145-114-82-6<28<9骨架密實型10080-10055-10028-6018-475-231-7<28<9骨架密實型底基層及墊層10085-10065-8542-6720-4010-278-205-180-15<28<910080-10055-10030-705-302-10<28<910080-10056-8730-6018-4610-335-200-15<28<9注：①上基層是指瀝青面層下與半剛性基層之間設(shè)置級配碎石,該層的級配宜符合此規(guī)定。②潮濕多雨地區(qū)的基層塑性指數(shù)大于6。③為排水與防凍墊層時,其0.074mm不超過5%。表D.2級配礫石結(jié)構(gòu)層的級配組成層位編號表C2級配碎石面層基層的礦料級配組成5337.531.526.5199.54.751.180.60.074液限塑指砂石路面面層110090-10065-8545-7030-5520-3715-257-12<4312-21210085-10070-9050-7040-6025-4020-328-15<4312-21310085-10060-8045-6530-5020-328-15<4312-18基層及底基層110090-10065-8545-7030-5515-3510-204-10<28<9210090-10075-9050-7030-5515-3510-204-10<28<9310085-10060-8030-5015-3010-202-8<28<9墊層110090-10065-8530-508-250-5<28<9注：①面層上可不設(shè)磨耗層,若加鋪磨耗層,0.5mm以下細(xì)料含量和塑性指數(shù)宜用低限;用圓孔篩時,采用1-3號級配;用方孔篩時,只用2,3。②潮濕多雨地區(qū)的基層塑性指數(shù)大于6。附錄E材料設(shè)計參數(shù)參考資料表E.1瀝青混合材料設(shè)計參數(shù)材料名稱抗壓模量E(MPa)劈裂強度備注20℃15℃（彎沉）15℃（拉應(yīng)力）15℃細(xì)粒式瀝青混凝土密級配1200-16001800-22001.2-1.6AC-10,AC-13開級配700-10001000-14000.6-1.0OGFC瀝青瑪蹄脂碎石1200-16001200-15001.4-1.9SMA中粒式瀝青混凝土1000-14001600-20000.8-1.2AC-16AC-20密級配粗粒式瀝青混凝土800-12001000-14000.6-1.0AC-25大粒徑瀝青碎石基層密級配1000-14001200-16000.6-1.0LSM25-35半開級配600-800——AM25-35瀝青貫入式400-600——注：瀝青為90#或70#表E.2基層、底基層材料設(shè)計參數(shù)材料名稱配合比或規(guī)格要求抗壓模量E(MPa)彎沉計算劈裂強度σ(Mpa)抗壓模量E(MPa)拉應(yīng)力二灰砂礫7:13:801100-15000.6-0.8二灰碎石8:17:801300-17000.5-0.8水泥砂礫5%-6%1100-15000.4-0.6水泥碎石5%-6%1300-17000.4-0.6石灰水泥粉煤灰砂礫6:3:16:751200-16000.4-0.6石灰水泥碎石5:3:921000-14000.35-0.5石灰土碎石粒料>60%700-11000.3-0.4碎石灰土粒料>40-50%600-9000.25-0.35水泥石灰砂礫土4:3:25:68800-12000.3-0.4二灰土10:30:60600-9000.2-0.3石灰土8%-12%400-7000.2-0.25石灰土處理路基4%-7%200-350—級配碎石上基層級配300-350—300-800底基層、墊層200-250填隙碎石底基層200-280—未篩分碎石做底基層用180-220—級配砂礫、天然砂礫做底基層用150-200中粗砂墊層80-100—表E.3碎礫石土設(shè)計參數(shù)碎石含量(%)路基干濕類型回彈模量值(MPa)密度(t/m3)含水量(%)>70干燥90-1002.05-2.257中濕70-802.00-2.208潮濕55-651.95-2.151150—70干燥75-852.00-2.207中濕55-651.95-2.158潮濕45-551.90-2.101130—50干燥47-571.90-2.10<10中濕30-401.85-1.9510-15潮濕20-301.75-1.85>15<30干燥30-401.80-1.90<10中濕15-251.70-1.8010-15潮濕151.60-1.70>15附錄F土基回彈模量參考值表F.1路基臨界高度參考值土土組路床面至各水位臨界高度(m)自然區(qū)劃砂性土地下水地表長期積水地表臨時積水H1H2H3H1H2H3H1H2H3Ⅱ1Ⅱ2Ⅱ3Ⅱ4Ⅱ5Ⅲ1Ⅲ2Ⅲ3Ⅲ4Ⅲ1aⅢ2aⅣ1、Ⅳ1aⅣ2Ⅳ3Ⅳ4Ⅳ51.9~2.21.1~1.51.3~1.61.3~1.61.4~1.71.0~1.11.3~1.60.7~1.11.1~1.31.1~1.31.0~1.30.7~0.80.9~1.10.9~1.11.1~1.31.1~1.30.9~1.10.9~1.10.6~0.90.6~0.90.9~1.10.9~1.10.6~0.90.6~0.90.4~0.60.4~0.6續(xù)上表土土組路床面至各水位臨界高度m_)自然區(qū)劃砂性土地下水地表長期積水地表臨時積水H1H2H3H1H2H3H1H2H3Ⅳ6Ⅳ6aⅣ7Ⅴ1Ⅴ2、Ⅴ2a（紫色土）Ⅴ3Ⅴ2、Ⅴ2a（黃壤土，現(xiàn)代沖擊土）Ⅴ4、Ⅴ5、Ⅴ5aⅥ1Ⅵ1aⅥ2Ⅵ3Ⅵ4Ⅵ4aⅥ4bⅦ1Ⅶ2Ⅶ3Ⅶ4Ⅶ5Ⅶ6a1.0~1.11.3~1.6(2.1)(2.0)1.4~1.7(2.1)(2.2)(1.9)(2.0)(2.2)1.5~1.8(2.1)(3.0)0.7~0.81.1~1.3(1.7)(1.6)1.1~1.4(1.7)(1.8)(1.5)(1.6)(1.9)1.2~1.5(1.6)(2.4)0.9~1.1(1.3)(1.2)0.9~1.1(1.3)(1.4)(1.1)(1.2)(1.6)0.9~1.21.31.90.9~1.01.1~1.3(1.8)(1.7)1.1~1.4(1.9)(1.9)(1.6)(1.7)(2.1)1.2~1.5(1.8)(2.0)0.7~0.80.9~1.1(1.4)(1.3)0.9~1.1(1.5)(1.5)(1.2)(1.3)(1.6)0.9~1.2(1.4)(2.0)0.6~0.70.6~0.9(1.0)(1.0)0.6~0.9(1.1)(1.2)(0.9)(1.0)(1.3)0.6~0.91.01.60.9~1.10.7(1.0)0.9~1.10.8(0.5)(0.8)0.9~1.2(0.9)(1.5)0.6~0.90.3(0.5)0.76~0.9(0.4)0.7~0.9(1.1)0.4~0.60.4~0.60.4~0.6(0.5)續(xù)上表土土組路床面至各水位臨界高度(m)自然區(qū)劃粘性土地下水地表長期積水地表臨時積水H1H2H3H1H2H3H1H2H3Ⅱ1Ⅱ2Ⅱ3Ⅱ4Ⅱ5Ⅲ1Ⅲ2Ⅲ3Ⅲ4Ⅲ1aⅢ2aⅣ1、Ⅳ1aⅣ2Ⅳ3Ⅳ4Ⅳ52.92.72.52.4~2.62.1~2.52.2~2.752.1~2.51.7~1.91.6~1.71.5~1.71.7~1.81.7~1.92.22.01.81.9~2.11.6~2.01.7~2.21.6~2.11.2~1.31.1~1.21.1~1.21.0~1.21.3~1.41.2~1.41.3~1.71.2~1.60.8~0.90.8~0.90.8~0.90.8~1.00.9~1.01.75~2.21.6~2.10.8~0.91.0~1.11.3~1.71.2~1.60.5~0.60.6~0.70.9~1.30.9~1.20.3~0.40.3~0.41.3~1.751.2~1.60.9~1.30.9~1.20.45~0.90.55~0.9續(xù)上表土土組路床面至各水位臨界高度(m)自然區(qū)劃粘性土地下水地表長期積水地表臨時積水H1H2H3H1H2H3H1H2H3Ⅳ6Ⅳ6aⅣ7Ⅴ1Ⅴ2、Ⅴ2a（紫色土）Ⅴ3Ⅴ2、Ⅴ2a（黃壤土，現(xiàn)代沖擊土）Ⅴ4、Ⅴ5、Ⅴ5aⅥ1Ⅵ1aⅥ2Ⅵ3Ⅵ4Ⅵ4aⅥ4bⅦ1Ⅶ2Ⅶ3Ⅶ4Ⅶ5Ⅶ6a1.8~2.01.6~1.71.7~1.82.0~2.42.0~2.21.7~1.91.7~1.91.7~1.9(2.3)(2.2)2.2~2.75(2.4)2.4(2.2)(2.3)2.2(2.3)2.3~2.85(2.1)(3.3)(2.8)1.3~1.51.1~1.21.4~1.51.6~2.00.9~1.10.8~1.00.7~0.90.9~1.1(1.9)(1.9)1.65~2.2(2.0)2.0(1.7)(1.8)(1.9)(1.9)1.75~2.3(1.6)(2.6)2.41.0~1.20.7~0.81.1~1.21.2~1.60.4~0.60.4~0.60.3~0.50.4~0.6(1.6)(1.5)1.2~1.65(1.6)1.6(1.4)(1.4)(1.5)(1.6)1.3~1.75(1.3)(2.1)1.90.9~1.01.0~1.11.6~2.0(2.1)(2.0)1.65~2.2(2.1)(2.2)(1.9)(2.0)(2.1)1.81.75~2.3(1.8)(2.4)(2.5)0.5~0.60.7~0.81.2~1.6(1.7)(1.6)1.2~1.65(1.7)(1.7)(1.4)(1.6)(1.6)1.41.3~1.75(1.4)(2.0)2.00.3~0.40.4~0.50.8~1.2(1.3)(1.2)0.75~1.2(1.4)(1.3)(1.1)(1.2)(1.2)1.10.75~1.3(1.1)(1.6)1.61.2~1.60.9(0.9)1.2~1.65(0.8)1.00.7(0.8)(0.9)0.81.3~1.75(0.7)(1.5)1.40.8~1.20.5(0.5)0.75~1.2(0.6)0.6(0.5)0.40.75~1.3(1.1)(0.8)0.45~0.80.45~0.750.45~0.75(0.5)續(xù)上表土土組路床面至各水位臨界高度(m)自然區(qū)劃粉性土地下水地表長期積水地表臨時積水H1H2H3H1H2H3H1H2H3Ⅱ1Ⅱ2Ⅱ3Ⅱ4Ⅱ5Ⅲ1Ⅲ2Ⅲ3Ⅲ4Ⅲ1aⅢ2aⅣ1、Ⅳ1aⅣ2Ⅳ3Ⅳ4Ⅳ53.83.43.02.6~2.82.4~2.92.4~3.02.4~2.852.3~2.752.4~3.02.4~3.02.4~3.01.9~2.11.7~1.91.7~1.91.79~2.13.02.62.22.1~2.31.8~2.31.7~2.41.9~2.41.8~2.31.7~2.41.7~2.41.7~2.41.3~1.41.2~1.31.2~1.31.3~1.52.21.91.61.4~1.61.4~1.91.4~1.80.9~1.00.8~0.90.8~0.90.9~1.11.9~2.41.8~2.30.9~1.01.0~1.91.4~1.80.6~0.71.0~1.41.0~1.40.3~0.41.4~1.91.4~1.81.0~1.41.0~1.40.5~1.00.55~1.0續(xù)上表土土組路床面至各水位臨界高度(m)自然區(qū)劃粉性土地下水地表長期積水地表臨時積水H1H2H3H1H2H3H1H2H3Ⅳ6Ⅳ6aⅣ7Ⅴ1v2、Ⅴ2a（紫色土）Ⅴ3Ⅴ2、Ⅴ2a（黃壤土，現(xiàn)代沖擊土）Ⅴ4、Ⅴ5、Ⅴ5aⅥ1Ⅵ1aⅥ2Ⅵ3Ⅵ4Ⅵ4aⅥ4bⅦ1Ⅶ2Ⅶ3Ⅶ4Ⅶ5Ⅶ6a2.0~2.21.8~2.02.2~2.652.3~2.51.9~2.12.3~2.52.2~2.5(2.5)(2.5)2.3~2.15(2.6)(2.6)(2.4)(2.5)(2.5)(2.5)2.4~3.1(2.3)(3.8)(2.9)1.5~1.61.3~1.41.7~2.21.4~1.61.3~1.51.4~1.61.4~1.6(2.0)(2.0)1.85~2.3(2.1)(2.2)(1.9)1.9(2.0)(2.1)2.0~2.4(1.8)(2.2)(2.5)1.0~1.10.9~1.11.3~1.70.5~0.70.5~0.70.5~0.70.5~0.7(1.6)(1.5)1.4~1.85(1.6)1.71.41.4(1.5)(1.6)1.6~2.0(1.3)(1.6)1.81.7~2.2(2.3)(2.2)1.85~2.3(2.4)2.42.1(2.2)(2.4)(2.2)(2.0~2.4)(2.1)(2.9)(2.7)1.3~1.7(1.8)(1.7)1.4~1.85(1.8)1.91.6(1.7)1.8(1.6)(1.6~2.0)(1.6)(2.2)2.10.9~1.3(1.3)(1.2)0.9~1.4(1.4)1.41.1(1.2)1.3(1.1)(1.0~1.6)(1.1)(1.5)1.51.3~1.7(1.2)0.61.4~1.85(1.3)1.31.01.01.10.9(1.6~2.0)1.60.9~1.30.70.9~1.4(0.7)0.80.50.50.60.41.0~1.6(1.3)1.10.55~0.90.40.5~0.90.55~1.0(0.5)注：①表中H1、H2、H3—分別為路基干燥、中濕、潮濕狀態(tài)的臨界高度；路床面至地下水位高度小于H3時為過濕路基，須經(jīng)處治后方能鋪筑路面；②Ⅵ，Ⅶ區(qū)有橫線者，表示實測資料較少，有括號者表示沒有實測資料，根據(jù)規(guī)律推算的；③Ⅲ2，Ⅲ3，Ⅵ2，Ⅶ3資料系甘肅省1984年所提建議值，其他地區(qū)供參考；④缺少資料的二級區(qū)可論證地參考相鄰二級區(qū)數(shù)值，并應(yīng)積極調(diào)研積累本地區(qū)的資料。區(qū)劃稠度土組0.800.901.001.051.101.151.201.301.401.702222222Ⅱ1粘質(zhì)土粉質(zhì)土19.018.522.022.525.027.026.529.028.031.529.533.531.0Ⅱ2粘質(zhì)土粉質(zhì)土19.520.022.524.526.029.028.031.529.534.031.536.533.5Ⅱ2a粉質(zhì)土19.022.526.027.529.531.0Ⅱ3土質(zhì)砂粘質(zhì)土粉質(zhì)土21.023.522.523.527.527.026.032.032.027.534.534.529.036.537.030.039.040.031.541.534.537.045.5Ⅱ4粘質(zhì)土粉質(zhì)土23.524.530.031.535.539.039.043.042.047.045.551.550.556.057.066.065.0Ⅱ5土質(zhì)砂粘質(zhì)土粉質(zhì)土29.026.527.032.532.034.536.038.542.537.541.546.539.045.051.041.048.556.042.552.046.049.559.069.0Ⅱ5a粉質(zhì)土33.537.542.544.546.549.0Ⅲ1粉質(zhì)土27.036.548.054.061.068.576.5Ⅲ2土質(zhì)砂粘質(zhì)土粉質(zhì)土35.027.027.038.031.532.541.536.538.543.039.042.044.541.545.046.044.048.547.546.551.550.552.059.053.557.562.070.0Ⅲ2a土質(zhì)砂37.040.043.044.546.047.549.052.054.562.570.0Ⅲ3土質(zhì)砂粘質(zhì)土粉質(zhì)土36.026.026.539.030.032.042.534.537.044.036.540.045.538.543.047.041.046.048.546.049.051.547.555.054.552.063.071.0Ⅲ4粉質(zhì)土25.034.045.051.558.566.074.0Ⅳ1粘質(zhì)土21.525.530.032.535.037.540.5Ⅳ1a粉質(zhì)土22.026.532.035.037.540.5Ⅳ2粘質(zhì)土粉質(zhì)土19.531.023.036.527.042.529.045.531.048.533.051.535.0Ⅳ3粘質(zhì)土粉質(zhì)土24.024.028.029.532.536.035.039.037.542.539.546.042.0Ⅳ4土質(zhì)砂粘質(zhì)土粉質(zhì)土28.025.023.030.529.528.033.534.033.535.036.536.036.538.539.038.041.042.039.543.542.045.053.061.0表F.2二級自然區(qū)劃各土組土基回彈模量參考值（MPa）區(qū)劃稠度土組0.800.901.001.051.101.151.201.301.401.702.00Ⅳ5土質(zhì)砂粘質(zhì)土粘質(zhì)土粉質(zhì)土24.022.028.526.526.027.034.031.028.032.539.536.529.033.542.539.030.038.545.542.030.541.548.545.031.544.551.533.535.040.044.5皖、浙、江西Ⅳ6土質(zhì)砂粘質(zhì)土粉粘土33.527.526.537.033.031.541.038.036.543.041.039.044.544.042.046.546.545.048.550.552.055.566.577.0Ⅳ6a土質(zhì)砂粘質(zhì)土粉質(zhì)土31.526.028.035.031.034.538.535.541.040.038.044.542.040.548.543.543.552.045.046.048.552.062.072.0Ⅳ7土質(zhì)砂粘質(zhì)土粉質(zhì)土35.024.527.539.029.533.543.034.540.045.037.043.547.040.047.549.042.551.051.044.555.059.070.582.0Ⅴ7土質(zhì)砂粘質(zhì)土粉質(zhì)土27.527.028.531.532.034.035.537.040.037.539.043.039.542.546.041.545.549.543.548.052.558.054.059.552.060.065.078.5Ⅴ1Ⅴ2Ⅴ2a紫色粘質(zhì)土紫色粉質(zhì)土黃壤粘質(zhì)土黃壤粉質(zhì)土22.522.