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13-06-2007, 12:35 PM

Cho tt c cc bn.y l khi lng thp trong 1m3 BTCT. Mong cc bn xem qua v ch gio thm:_ Mng : 70 ~ 80 kg/m3

_ Dm : 150 ~ 220 kg/m3_ Sn : 80 ~ 100 kg/m3

_ Ct : 260 ~ 340 kg/m3_ Cu thang: 160 ~ 220 kg/m3_ Lanh t, sn: 90 ~ 120 kg/m3

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Cc bn nh nhn xt v a ra kin nha.

08-08-2007, 04:08 PM

Bi ca bn t ngy 13/6, khng bit n hm nay bn c cn cn s liu na hay khng?. Nu khng cn cn na th ct ci ln khc dng tham kho nh:Theo cch tnh bnh qun ca nhiu cng trnh ca ti, khi tnh hm lng thp cho nh dn (khng c kt cu, thng k thp) th ti s tnh nh sau: (n v thi cng cha bao gi ku ca l thiu):- CT mng ct: fi

Mnh cm n v s ng gp ca tt c cc bn. Hm lng thp trn mnh a ra l da trn cc cng trnh c th thi cng ri. Mnh ngh hm lng ny ch mc kh thi ch khng thuc dng cao. V n ccng ph thuc vo thit k kt cu. Mnh lp d ton cho nhiu cng trnh, c nhiu cng trnh quy m ccng gn tng ng nhau nhng phn kt cu th mi anh li th k c phn "nng", "nh" khc nhau. Trn c s mnh mi a ra hm lng trn p dng cho cc cng trnh xy dng dn dng c bit l nh ph.Mong nhn c s ng gp ca cc bn.

09-12-2007, 10:38 AM

Theo mnh nh th my anh bn lm bn dn dng vn dng t l ~15%-18% so vi khi lng b tng.

20-12-2007, 08:18 AM

l hm lng thp cho 1m3 b tng dng cho nh dn. i vi cng trnh ln th sao nh? C ai c s liu c th chia s anh em vi. C th nh khch sn, khu vui chi gii tr, trng hc, bnh vin...

19-01-2008, 09:30 PM

bai cua anh thanhduy co' sai ko vay sao tinh vd cua anh ki` vay ca`.bt mong 10m3 sao lai lay 165-168 ma` ko lay la`140-160 ha~

21-01-2008, 11:44 AM

Theo ti vic xc nh, kim tra hm lng thp trong tng cu kin nn da vo Umax, Umin l ph hp nht.Ci quan trng nht y cc bn nn xc nh mnh `ang lp d ton cho mc _ch g: khi ton, thi cng, hay thit k......nm r mc nch chc chn cc bn s c mt t l ph hp.

03-02-2008, 04:38 AM

Theo ti vic xc nh, kim tra hm lng thp trong tng cu kin nn da vo Umax, Umin l ph hp nht.Ci quan trng nht y cc bn nn xc nh mnh `ang lp d ton cho mc _ch g: khi ton, thi cng, hay thit k......nm r mc nch chc chn cc bn s c mt t l ph hp.ng! khi ton th bc thuc theo kinh nghim (nu cha c th xem mt s cng trnh mu thi gian gn hoc hi ngi c kinh nghim trong lnh vc ny), nu thit k v thi cng th theo Khi lng bc tch v bin php thi cng.

01-03-2008, 09:00 AM

Tt nhin l nhm mc Tch khoi ton cng trnh ri, ch d ton thi cng m tnh thp theo t l % th lm sao c. Theo mnh vic xc nh c t l ct thp trong b tng s rt quan trng i vi nhng ngi lm nhim v thm tra d ton, n s tit kim c rt nhiu thi gian.

20-03-2009, 10:44 AM

nh bn Thanhduy hm lng ct thp cao qu.

27-03-2009, 05:30 PM

Cc bn i nhng s liu | tht b ch. V cty ti thng lm cng trnh ci to nh l nn cc bn v thng khng y phi c lng thep rt nhiu. Nhng c bn no c th phn loi t l ny theo loi cng trnh c khng? Mnh rt cn n..... mong dc s gip . ThankS!!

03-04-2009, 08:31 AM

Ti l dn kt cu c ti ny thy hay nn tham gia vi nh th ny. Thng thng ham lng thp c tnh theo t l din tch mt ct tit din ct thp / b tng ri x7850 kg mi ra khi lng. Ci t l ny c quy nh trong cc tiu chun ca tng chuyn nghnh v d TCVN356-2005...hoc cc gio trnh

hnlan

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Page 2 of 5c Tnh Hm Lng Thp Trong 1m3 Btct. [Lu Tr] - Din n D Ton Cn...

11/12/2012http://www.dutoancongtrinh.com/forum/archive/index.php/t-171.html

ca Thy Nguyn nh Cng, Ng Th Phong ch khng phi theo my h s thit k ca cc n v t vn a ra ci th qu cao ci th qu thp phn v trnh hn ch phn v th thut tng khi lng kh m tin dc.(Ti ang lam ci cu tu ln nht vit nam, hm lng thp dm cong ch 2% thi)

18-07-2009, 05:09 PM

c t trn xung thy mi bn Thai Tng l ni nghe hp l. ti cng quan yim vi bn y :>

24-07-2009, 02:25 PM

nhu vay ham luong thep trong 1m3 beton mac 250 khoang bao nhui vay?xay dung be xu ly moi truong,ban nao biet chi dum minh nhen, thanks!

27-07-2009, 11:27 AM

Xin cho cc anh ch!Mnh: Trn Thanh Mnang lm vic ti cng ty Bng NguynCng ty mnh cung cp & lp t cc loi camera, tng `i ni b, Mng LAN, h thng bo chy....Nu anh ch no c nhu cu xin lin h vi mnh qua `t: 0986038889 hoc qua a ch mail: [Ch c thnh vin _ ng k mi nhn thy links].Mong nhn c hi m sm nht ca Qu Anh Ch!

03-08-2009, 08:04 PM

cc cng trnh mnh - tng lm qua, tnh trung bnh 120~130kg/m3( tnh khi lng b tng ca tt c cc cu kin ca cng trnh). Mong cc pc gp thm!

17-08-2009, 10:53 AM

:SugarwareZ-078:

17-08-2009, 10:02 PM

Bc no c chun hm lng thp trong xy dng cu ng cho xin vi nh. Thanks!

29-04-2010, 05:34 PM

[QUOTE=lethihuedl;1563]Bi ca bn t ngy 13/6, khng bit n hm nay bn c cn cn s liu na hay khng?. Nu khng cn cn na th ct Pi ln khc dng tham kho nh:Theo cch tnh bnh qun ca nhiu cng trnh ca ti, khi tnh hm lng thp cho nh dn (khng c kt cu, thng k thp) th ti s tnh nh sau: (n v thi cng cha bao gi ku ca l thiu):- CT ct: fi

tri! bn khng hc k thut h. 0.58, 0.222 l trng lng:SugarwareZ-022: ca thp/m di.25/0.15 l s ai thp, 0.8 l chiu di 1 sai thp. hic:SugarwareZ-022:

12-11-2010, 10:54 AM

Hi, cc bn ng gp mi ngi mi kin khc nhau nh. D ton ngoi tnh Dng ra th cn phi bit tnh c li cho cng ty. p gi i ng th trng th c li th tnh d khi lng,... Lnh vc d ton nh dn l vy. C bn thng k l khong 130kg/ ton b khi b tng c cng trnh. Ci s ny mnh c hc lp d ton :SugarwareZ-053:Cc bn lm d ton th tnh trn cu kin i. V d ging chng hn. Thng k th mt ging xem sao, thng k thi cng nh. Sau m tnh khi lng b tng. Thp thng k c `em chia cho khi b tng ca c ging xem th no.

26-09-2011, 12:27 PM

Ti khng hiu my ng d ton ci qui g, nhng chng ta cn bn n y l hm lng % thp kg/m3. Lm d ton cc bn nn am hiu kt cu mt cht. D ton cho DA thit k 3 bc bc lp bo co th tnh ton hm lng thp theo % thi (nn p hm lng thp mc cao v sau ny trin khai bc tip theo kiu j c`ng c chnh sa). Cn i vi d ton cho thit k bn v thi cng th chng ta tun theo khi lng bng thng k thp trong h s thit k (thp y ( c tnh ton c th). Bi th chng ta ko phi bn ci nhiu v vn hm lng % hay thnh phn khi lng thp kg/m3 khi m ngi a cu hi khng r rng (V d thp tnh cho trng hp no c th, loi cng trnh g,...). :SugarwareZ-033:

19-10-2011, 04:03 PM

Bc no a ra cl ng c l c. Rt cc th mun c lng c tng -i chnh xc th cn phi c kinh nghim 1 t. Mnh ngh mun bc g th bc nn thin v an ton. v phi bit mnh bc khi cng trnh khi ton hay l thi cng.

08-11-2011, 07:59 PM

mnh c kin th nythng thng khi tnh ton kt cu th hm lng thp nm trong mt khong gi l hp l ty theo cu kin l g. T th cng c tnh c khi lng thp trong 1 m khi BT ( v ct thp thng t sut theo chiu di cu kin)

19-01-2012, 04:41 PM

:SugarwareZ-072::SugarwareZ-072:

29-02-2012, 01:27 PM

Minh phai cong nhan may ban uoc luong hay the? ko hieu o dau ra nua? hic.may ban uoc kieu nay tui thay ko nup sau nai chuoi nhin ga khoa than rui.

24-08-2012, 11:21 AM

Cc bn ni u c l, Nhng hm lng trn 1 khi BT v hm lng % din tch thp trn 1 mt ct b tng th khc nhau hon ton. mnh c vit ra bng Exeo quy 2 vn ny li thnh 1 mi ngi tham kho v c ci nhn tng qut v cng trnh mnh oang lm hn. Nu thy hay Thanks pht. he he[Ch c thnh vin y ng k mi nhn thy links]

02-10-2012, 04:03 PM

cc bn ng nn lm liu, bn thi tng ni hp l ri, phi xc nh mc tiu cho cng vic ca mnh, nu lm cho nh dn th cnng nn tnh ton cho cn thn, by gi tnh l c ri m, ch khng nn lm theo cm tnh, khng bit trc dc th no cu:SugarwareZ-022:, nu lm theo cm tnh th my anh cng nhn lm lu nm c`ng lm c

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