冲孔灌注桩施工技术交底.doc

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22、om p e t e n tB u i l d e rt oo p e nt h et a s kl i s tf o rj o bt e a m ,w r i t t e nt h ed a y sp r o d u c t i o na n dc o m p l e t et het a s k st i m ea n dm e e tt h eq u a l i tys t a n d a r d s .C o n s u m e dm a t e r ia l sp r o d u c t i o nt a s k s ,o p e np r o j ec tt a s kl i s

23、t sw h i l ep i c k i n gt h eo p e nl i m i tt oc o n t r o lt h em a t e r ia lr e q u i s i t i o nn u m b e r ,p i c k i n gth em a t e r i a la c c o r d i n gt ol i m i tis s u i n gm a t e r i a lt ot h eo p e r a t i o nst e a m .O p e r a t i o n st e a mt a s kr e q u i r e dt oc o m p l e

24、 t et h et a s k ,t h eb u i l d e rc h e c k sw h e t h e rt h eta s ki sc o m p l e t et om e e tt h er e q ui r e m e n t s ,q u a l i t yi n s p e c t i o nq u al i t yc o m p l i a n c e ,c h e c kw h e t h e rth em a t e r i a lc o n s u m p t i o no fm a t e ri a l sb e y o n dt h ef i x e dr

25、 e q u i r e m e nt s ,a n dp r o c e s so p e r a t i n gu n d e rt h et e a mp r o j e c t .O p e r a t i o n st e a me a c hw e e kw i t ht h ee n g i n e er i n gt a s k so fc h e c k i n gp r o c e d u r esi np l a c ef o rs e t t l e m e n t .3 . 6pr o j e c tc o n c e a l e dw o r k so fs y s

26、 t e mt e s t i n g ,a c c e p t a n c eo ft h et h r ee - t i e rs y s t e m :t h et e a mf r o mi n sp e c t i o n - - p r o j e c tq u a l i t yt e s t i n g- - o u rq u a l i t yi n s p e c t i o n .T hr e el e v e l so fa c c e p t a n c eb e f o r et h ee n g i n e e rt e s t . N e wt e c h n

27、o l og i e s i n s p e c t i o n ,m u s tb ea p p r o ve db yt h eC h i e fE n g i n e e r. . .O f fi c e rf o rc h e c ka c c e p t a n c e ,t h r o ug ht h el a y e r so fq u a l i t yc o n t r o lt oe n s u r et h a tt h ep r o j e c tm e e tsq u a l i t ys t a n d a r d s .3 . 9b r ea c ho fc o

28、n s t r u c t i o nr e g u l a t i o n s ,c o n s t r u c t i o nt e c h n i q u e sa c c o r d in gt ot h ep e r s o ni nc h a r g eo fc on s t r u c t i o nq u a l i t ya c c i d e n tr e p or t i n gs y s t e ms p e c i f i c a t i o n s ,d e si g na n dc o n s t r u c t i o np r o c e s sg u id

29、et h ec o n s t r u c t i o np e r s o n n e l ,sh a l ln o tb ea ni l l e g a lc o m m a n d .T h eo p e r a t o rm u s to p e r a t ei na c co r d a n c ew i t ht h er e l e v a n tn o r m sa n dr e g u l a t i o n si s ,n o tb r u t a lco n s t r u c t i o n .C o n s t r u c t i o nm a n a g er s

30、f o u n dt h a tt h eo p e r a t o r sv i o la t e dt h ec o n s t r u c t i o ns p e c i f i c a ti o n s ,b es t o p p e di m m e d i a t e l y ,a ndr e p o r tt e c h n i c a ll e a d e r ,u r g e dt h eo p e r a t o ri m m e d i a t e l yc o r r e ct e d .Q u a l i t ya c c i d e n to nv i ol a

31、t i o n so fc o n s t r u c t i o nr u l e s ,an ds i z e ,a sa p p r o p r i a t e ,t i m e l ye s c a l a t i o nt h ec o m p a n y ,m a n a g e m en ta n do w n e r sa n dr e c o r di nw r i ti n gr e p o r t s .Q u a l i t yt h er i gh tt os t o pa n yv i o l a t i o n so fc o ns t r u c t i o n

32、q u a l i t ya c c i d e n to fc on s t r u c t i o nc a no c c u r .3 . 1 0s u m m ar yq u a l i t yi m p r o v e m e n ts y s t e mf oraw e e ko nar e g u l a rb a s i st h eq u a l i t yo fc o n s t r u c t i o no ft h epr o j e c tf o rac o m p r e h e n s i v em e a s ur e m e n ta n de v a l u

33、 a t i o n ,t h eu s eofs t a t i s t i c a lt e c h n i q u e si nq u a li t ys c i e n t i f i cs t a t i s t i c a lm e t h od s ,i d e n t i f y i n gt h ep r i n c i p a lc on t r a d i c t i o n .T of i n do u tt h em a j o rq u a l i t yp r o b l e m sa n dq u a li t yp r o b l e m sb yt h er

34、 e l e v a n td e pa r t m e n t st os e r i o u s l ys t u d y ,f i ndo u tw a y st os o l v et h eq u a l i t yp r o b l e m sa n dt a k ec o r r e c t i v ea n dp r e v e n t i v ea c t i o n .3 . 1 1q u a l i t yr e w a r d sc o m p a n i e sf o rp r o j e c t s ,c o n s t r u c t i o nc r e w s

35、a n do t h e rl ay e r so fq u a l i t yr e s p o n s i b i l i t ydo c u m e n t ss i g n e d ,l i n k e dw i t ht h ee c o n o m y .C l e a rr e w a r d sa n dp u n i s h m e n t s ,s t r i c t l yc a s h .3 . 1 2q u a l i t yr e t u r ns y s t e mt ot r a c kt h eq u a l i t yo fc o m p l e t e d

36、o p e r a t io n s ,m o n i t o r i n g ,a n dp r o b l e m sw it hc o r r e c t i v ea c t i o ni nat i m e l ym a n n e r ,a n dr e c o r d e df o ra n a l y si si no r d e rt oi m p r o v et h ee x p e ri e n c ef o rt h ef u t u r ec o n s t r u c t i onl e v e l .4 ,q u a l i t yc o n t r o ls

37、y s te m : s i s t e m ad ec a r r e t e r e sd a c c ? sd e x p r o p i a c i ?d et e r r e n y s ,e v i ta n tv e r d u r e sim a t ? r i e sp r i m e r e s,p e rl aq u a le sc a s e sv a nr e s u lt a ri n u n d a d e sid r e n a t g ed el aca r r e t e r aim a t ? r i e sd e s p r ? sd elaf i n

38、a l i t z a c i ?d a c c ? s .9 . 3 . 2d es p l e g a m e n td ep l a n i f i c a c i ?d ec on s t r u c c i ?d ed r e n a t g eb a s a te ndi r e c t r i u sd ec o n s t r u c c i ?c o m b i n ad ad r e n a t g ed a i g ? e sa v a l ld a i gu ar i ua m u n td r e n a t g er e q u i s i t sS i n o t

39、 r a n sp e rl af a c i l i t a td em ov i m e n t sd et e r r am a q u i n ? r i ac o m pl e t - 11 - 1 # - d r e n a t g e1 3#p o u sW anJ i aL a ic a r r e t e r a ,c a n o n a d e sded r e n a t g ee s t a b l i n tc o n n e x i ?9 .3 . 3r e f o r ? a ta m bt u b sd ed r e n a t ged ef o r m i g

40、 ? .A q u e s t af u g ad ef or m i g ?a r m a td ep r o j e c t es ? nt o t se l st u b se nd i ? m e t r e ss u p e r i o r sd 1 0 0 0 m m ,a q u e s t as e c c i ?p r i n c i pa l m e n td 1 2 0 0f o r m i g ?a r m a tc a n o na d a ,l o n g i t u d1 0 0 3 m ,u b i c a te nlab a r r e j ac a r r

41、i laa m b d ? sc o s t a ts .( 1 )t e c n o l o g i ac o n s t r u c c i ?d e x c a v a c i ?d er a s a( 2 )d e lf o r m i g?a r m a td r e n a t g et u bf l u x :e x c a va c i ?d er a s ad ec a n o n a d ap e rt a llo b e r tc o n s t r u c c i ? ,p r o f u n d i t a td es o l cc u n e t ae nl ? m

42、 b i td e lpr o j e c t en os u p e r a v ae l s5 M ,e x c av a c i ?e x c a v a c i ?d et o t se l sn i v el l se nl ? m b i td e lp r o j e c t e ,s e go n sl as i t u a c i ?r e a ld e ls ? ls e go n sl e sd i s p o s i c i o n sp e ral a m pl a d ae x c a v a c i ?ic o n s t r u c c i ?p e nd e

43、n td es e g u r e t a tr a s a .C o mar es u l t a td e s f a v o r a b l e sc o n d i c i o n sg e o l ? g i q u e sie x c a v a c i ?c a r an o? ss u f i c i e n t ,h a u r i ad a u g m e n t a re ls u p o r tb o c ap e rg a r a n t i rl as e g u r e t a td el ac o n s t r u c c i ? ,e x ca v a c

44、i ?t i p u sc o m e x c a v a c i ?d era s ais u p o r td ed i a g r a m ad en i v el ld el as e c c i ? .A b a n sd el e x ca v a c i ?d er a s ae x c a v a c i ?is e c c i?d es u p o r ti n d i q u e ne ln i v e l ldec l a v e g u e r a ,h ad ef e ra b a n sd el as o r t i d aa i g ? e sa v a l lm

45、 ? sg r ano l e o d u c t ep r o s p e c c i ?s u p e r f i c ia li d e n t i f i c a re l e v a c i ?id i ? m e tr ed el ac a n o n a d a? sc o h e r e n ta mbe ld i s s e n y ,c o ma r al ad i s c r e p? n c i an o t i f i c a ri m m e d i a t a m e n tl esp a r t sr e l l e v a n t sc o ms o l u

46、c i o n sd ed i s s e n y .E x c a v a c i ?d er a s a ,m e s u r ae s t r i c t a m e n tc o n t r o la l ? ad a ,e x c a v a c i ?m e c ? n i c aal e l e v ac i ?f i n a ls o b r e2 0 c m ,p a r a d ad em ? q u i n a ,d i s s e n y a tp e rn e t e j am an u a lal a l t ap e re v i t a re x c e s s

47、 iv a m e n t .G r o o v es ? ls u b s t r a tp e rp r o v ad ep e n e t r a c i ?d i n ? m i c a :s in op o ta r r i b a re ld i s s e n yr e q u is i t sd ec ? r r e g a ,p o d r i ac o n s i d e ra r - s ed u r a n tl o m p l i m e n td eg r a vag r a d u a d aoe n f o r t i rs o t e r r a n i( a

48、 m p l i a c i ?ir e f o r ? )p e rc o m p l i re l sr e q u i s i t sd ed i s s e n y .T r i n xe r af o n sv o r e s3 0 c m x 3 0 c mc o n j u n tt e m p o r a l sD r e n s ,c a d ac o n j u n t ss e c c i ?e ld r e n a t g eb e ne p i s o d ider a s e sab a n d aib a n d a ,a s s e g u ra rq u ee

49、 l ss o l c sn os ? nd a i g u a .R a n u r a te nl l o c ,d e s p r ? sd ec o mp l e t a re lt e s td a u t o a v a l u a c i ?pe ra s s o l i re l se s t ? n d a r d s ,p r o p ie t a r i sia l t r e ss u p e r v i s i ?p e r s on a lp e r t i n e n t s ,s u p e r v i s i ?d eq ua l i t a t ,i n s

50、 p e c c i ?ic o m p l e i xe l sr e q u i s i t s ,i m m e d i a t a m e n tv ap o sa rs o r r ap i sb a s eoa b o c a m e n td ef o r m i g ? .( 3 )p e t i t ,c a n o n a d ad es e g u r e t a t :c a n o n a d ad a i g u am ? to d ed i n s t a l l a c i ?d et h r e e - i n - o n e ,q u ep o s a nt