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25、4xOW蹚 ?bteh|i4xOWu 髞PLX亯 Bl?bK剉钀:鳾淸醤硩梑椖?儎 vP?P 亯 Bl 00 0YBx 鱩觺刧?bK颯錘惽忷QN 剉Tt觺刧N 剉刧 惇 c 絜 IY 蛓筫誰 eg%_e?xSO?bK?Pg 檈(W 梑椆 eb 梽 vN 硩蜰醤硩梑梺塀 l 0(W 梑椌嫛嬾 eSO 皊錘剺 2?N;N 剉緥骮緩 0R?NOW-N楋 S 頞Y?NP剉緥 2 栴 vh 0 鵞嶯鷁緥錧z 闟 g(W 梑椌?梑椌嫛媽 T 絜錧(嵪戀?N 筫 b 楜?T 亯 BlMb 齹 nx 軴鷁 Q錧zwQYTt 剉梑0W梽 v 齹汻o fr o l l e rc o m p a c t e da
26、r e a sa n dg en e r a l l ys t a b l e ,a tb o t he n d so ft h er e e n t r yl o c a t i o na l o n gw i t ht h ep a v e r ,l a n d s c a p em a yn o tb ei nt h es a m es e c t i o n .R o l l e r sr o ll i n gt e m p e r a t u r er e q u i r e dt om e ett h er e q u i r e m e n t si nt a b l e2 -
27、3 ,d o e sn o th a v es e r i o u sc r a c k so ve rt h ep r e m i s eo f ,e a r l yp r e s s u re ,r e p r e s s i n g ,a sf a ra sp o s s i b lea th i g ht e m p e r a t u r e s .A n dm a yn o tb er e p e a t e d l yr o l l e du n d e rlo wt e m p e r a t u r ec o n d i t i o n s ,s t o n ee d g e
28、 sa n dw e a ra n dt e a r ,c r u s h ,d a m a g ea g g r e g a t e si n t e r l o c k i n g .2 0 Ts t e e lw h e e lp r e s s u r e( s t a t icp r e s s u r e )2t i m e s ,r e p r e s s i n g4 0 th e a v yd u t ys t e e lw h e e lv i b r at o r y4t i m e s ,2 5 tr u b b e rw h e e lro l l e r2t i m
29、 e s ,o n e2 0 Ts t e e lr o un ds t a t i cp r e s s u r e2t i m e s ,e l i mi n a t i n gw h e e lt r a c k .P r e s s u r er oa dm a c h i n eg r i n dp r e s s u r es p e e d( k m / h )p r e s s u r er o a dm a c h i n et y pee a r l yp r e s s u r ec o m p l e xp r e s s u ree n dp r e s s u r
30、es u i t a b l em a x i m u ms u i t a b l em a x i m u ms u i t a b l em a x i m ums t e e lt u b et y p er o l l e r1 . 5 - 232 . 5 - 3 . 552 . 5 - 3 . 55t i r er o l l e r- - 3 . 5 - 4 . 584 - 68v i b r a t i o nr o l le r1 . 5 - 2( s t a t i cp r e s s u r e )5( s ta t i cp r e s s u r e )4 - 5(
31、 v i b r a t i o n )4- 5( v i b r a t i o n )2 - 3( s t a t i cp r e s su r e )5( s t a t i cp r e s s u r e )c o n s t r uc t i o ni nt h en o t eo fp r o b l e m :o ff i c i a lP ub u i l tQ i a nl a y i n gt e s tp a r a g r a p h,O n eo ft h em a i np u rp o s e so ft h et e s ts e c t i o no fp
32、 a vi n gi st ob ed e t e r m i n e dt h r o u g he x p e r i m e n t ss u i t a b l ef o rl a r g egr a i ns i z ea s p h a l tg r a v e lc o m p a c ti o np r o c e s sa n dc o n t r o lm e t h o d s .S p e c i f i cg r o u n dp r e s s u r ei nt h et e s ts e c t i o no fP uc o m p a r i s o nofd
33、 i f f e r e n tp r o g r a m m i n gw h e ni tw a sd e t e r m i n e dt h a ta d j u s ta c c o rd i n gt ot r ys h o pr o l l i n ge f f e c t .( 7 )t r a f f i cc o n t r o la n do t h e rla r g es i z ea s p h a l tm i x t u r es u r f a cer o u g h n e s s ,s u r f a c ep r o n et ol oo s ei na
34、h e a v ym o t o rt r a f f i c ,h asb e e np a v e di na s p h a l tp a v e m e n ta n ds t r i c t l yc o n t r o lt r a f f i c ,tr yt oa v o i dn o n - c o n s t r u c t i o nv e hi c l e sm u s tp a s st oe n t e r .W h e nem e r g e n c i e so rc o n s t r u c t i o nt r a f fi cm u s tg ot op
35、 a v i n gl a y e r sc o o lc o m p l e t e l y ,t h es u r f a c et e m p e r at u r ei sb e l o w5 0?cm a yb eo p e ne d ,a n dp r o h i b i t e dv e h i c l e sb r a ki n go rs h a r pt u r n s .( 8 )q u a l i t ym a n a g e m e n ta n dc o n t r o lf o rl a r g eg r a i ns i z ea s p h a l tg r
36、a v e lc o m p ac t i o np o r o s i t yc o n t r o lw i t hd o u bl ei n d e x e so fd e g r e eo fc o m p a c t io n ,s u r f a c ed r i l l i n gc o r es a m p l in gf o rt e s t i n g ,a l s ot h r o u g hc o mp a c t i o nt i m e sf o rr e a lc o n t r o l .C o n t r o lo fd e g r e eo fc o m p
37、 a c t i o no fA s p h a l tm i x t u r e sa n dt h es a m e,d on o tl e s st h a n9 6 % .F i e l dc or es a m p l i n ga n dt e s t i n gf r e q u e n ci e sa c c o r d i n gt ot h er e q u i r e m e n to f ,a n di na c c o r d a n c ew i t ht h et e n d e rd o c u m e n t sr e q u i r e d .D a n g
38、c o n s t r u c t i o nc o m p l e t e dy i h o uo nf i n i s h e dr o a df o rq u a l i t ye v a l ua t i o n ,s p e c i f i ce v a l u a t i o ns t a n da r df o l l o w i n gt a b l e :b i gg r a i ndi a m e t e ra s p h a l ts t a b l eg r a v e lq ua l i t ye v a l u a t i o ns t a n d a r dp r
39、 o j e ctc h e c kf r e q u e n c ya n dt h es i n g l ep o i n t st e s te v a l u a t i o nm e t h o dqu a l i t yr e q u i r e m e n t so ra l l o w sd ev i a t i o ne x p e r i m e n tm e t h o dt h i c k ne s se a c hl e v e lt h i c k n e s s5 0 m ma bo v ed e s i g nv a l u eo f8 %c o n s t r
40、 u c ti o nS h ii n s e r ts c r e w d r i v e rm e a s ur e m e n tp i n eP ut h i c k n e s sa n dt h ep r e s s u r er e a lt h i c k n e s st o t a lth i c k n e s se a c h2 0 0 0 m 2o n ep o i n t sd e s i g nv a l u eo f- 5 %T 0 9 1 2p r e s s ur er e a ld e g r e e se a c h2 0 0 0 m 2c h e ck
41、ag r o u pl a b o r a t o r ys t a n d a r d s e re l i m i n a t .P r i m e r ae x c a v a c i ?a b an sd el al ? n i ad e x c a v a c i ?ie l ev a c i ?c o n t r o l a re t i q u e t e si n t e l l i g e n t sd i n f a r t ,c o ma r ap i n t a de sp i n t u r av e r m e l l ae s t a q u e si d en
42、t i f i c a re l e v a c i ?m e s u r a n tl aq ua d r ? c u l ad ep u n t sd ec o n t r o li d en t i f i c a tp e rl ac a l ? ,p e ra s s e g ur a rq u el e x c a v a c i ?d el ag a m m ail e l e v a c i ?a m bp r e c i s i ?a c o n s eg u i rl e f e c t ed ec a r r e t e r a - b r u t .L e x c a
43、v a c i ?d e ls ? la b a n sd el ac o n f i r m a c i ? ,u t i l i t z a n te lm ? t o deV i s u a lip e n e t r a c i ?p r o v a d o rpe rp r o v a rl ? m b i td el e x c a v a c i ?,s ie ls ? lc o m p l e i xr e q u i s i t sdeF u n d a c i ? ,c a v a rd i r e c t a m e n t ,al t r a m e n ti n f
44、o r m a rl as u p e r v i s i ? ,d i s s e n y ,q u a l i t a tis u p e r v i s i ?t ? c n i c aia l t r ep e r s o n a lr e l a c i on a t se na q u e s tl l o cp e rc o n f i r m arid e s e n v o l u p a rl e s q u e m ad et ra c t a m e n te lt r a c t a m e n tF u n d a c i ?s u a u .Q u a nl e
45、x c a v a c i ?al e l e v ac i ? ,s e g o n ss ? la d e q u a te sr e s e rv aa r t i f i c i a l m e n ta l t .( 3 )e x c a va c i ?l e x c a v a c i ?p r o g r a m ad ec ? rr e g ad et r e b a l lir e d u i rv o l u mba s a te nK 0+4 4 0 ,K 11 3 0K 1+4 80 ,K 1+9 2 0id i v e r s o st u r o n sf or
46、m ac o n j u n t .U n ap r o f u n d i t a td es e c c i ?( s e c c i ?X I )c o n s t r u c c i ?del l i t1 3 , 7m ,B ,K 0+4 4 0t u r o ns ,t e r r aap r o f u n d i t a td es e c c i ?( s e c c i ?e s t )d ec o n s t r u c c i ?d ec a r r e t e r ad ep r o f u n d i t a td eK 1+4 8 09 . 0 M ,K 18 4
47、 09 . 8 M ,e x c a v a c i?h o r i t z o n t a laa d o p t a r .A b a n sdel e x c a v a c i ?e nc o s t a tp e n d e n tv e r d e sii n s t a l l a c i o n st e m p o r a l sd r e n a t g e .P r e ve n c i ?t e m p e s t aa r r o s s e g a d ap i s t es ,v e s s a n tc o l .l a p s e .D el ar e la
48、t i v a m e n ta l t aal i n i c id el e xc a v a c i ?d ec a d ap a r ? g r a f .F o n sd e x c a v a c i ? ,B a n cn i v e l l s ,g r u i xd el ac a p ad e3 M-4 m .C a pc o n s tr u c c i ? c a v a rd ? u si n d ? g e n e s ,s ?lt a l l a rp e n d e n td e1 : 1 .5 ,p e n de n td er o c aa m b1 : 1
49、 .S it e r r aop e d r ae x c a v a t ,e sv a ne s t a b l i ralv e s s a n tp e u1 Ma l ? a d ad el ap la t a f o r m aa m p l e6 ms i t u a t2p l a t af o r m aa m p l ? r i ad em ,l ap l a t a f o rm ap r e s e n t au np e n d e n td er a s e se x c a v a c i ?h o r i t z o n t a l .Q u a ne l sc
50、 a n v i se st r o b e nq u a ne x c a v a rl esp r o p i e t a t sd e ls ? l ,v ai n f o r m ara lc o m i s s a r iip r o p i e t a r i sd em a n e r ao p o r t u n a ,m o d i f i c a re lp en d e n t .E ne l sp r o c e s s o sd e x c a v ac i ?d et a l la m bf o r m a c i ?d ed r e na t g el o n g