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1、Foundation raft the plank and the foundation beam item engineering start construction project1, General situation and main engineering measure:This engineering foundation design has a beam type the raft plank the foundation for reinforcing bar Mao.The raft plank flat surface presents a L form, raft
2、plank thick 550 mms, the width 22.16 ms, thing to the length 44.36 ms, the south is northern toward the length 82.78 ms.The foundation beam cuts the noodles size as 400 s 600 mms.The Mao marks the number as C25, the total square measures for the 1310 ms 3, the reinforcing bar used measures 150 Ts.At
3、 16-18 stalk closes to 18 and stays and has a 1 m the breadth of run-through after sprinkle and take, after sprinkle and take Mao and need corpus completion of work empress then sprinkle and build.2, Start construction deployment and main construction project:Template engineering the workload is sma
4、ll, start construction simple, so take no account of dividing the line a construction segment, whole is a construction segment;Reinforcing bar and Mao sprinkle to build engineering, hereafter sprinkle to take to is divided into two construction segments for boundary, organize a simple flowing water
5、construction.The reinforcing bar engineering starts construction first 1-16 stalks(I segment), sprinkle to build Mao after check, concealed examination accepted qualified.At sprinkle to build a Mao to continue at the same time colligation 18-58 stalks(II segment) reinforcing bar, sprinkle to build a
6、 Mao in a row after check, concealed examination accepted qualified.(The I segment Mao measures about is a 660 ms 3, II segment Mao about is a 650 ms 3).Main construction method is as follows:1.Template engineering (1)Template adoption already set combination steel template, the U type wreath links.
7、Mat level after cleaning off, first the cent segment puts together to pack, the template puts together to brush a good insulation first before packing.(The insulation mainly uses an engine oil).The main specification of outer circle side template is 1500 s 300 mmses, 1200 s 300 mmses, 900 s 300 mmse
8、s and 600 ses 300 mms.The template props up on the Mao mat layer of lower part, the level props up to pay with the short pillar, and wood Xie.etc. of steel pipe and circle wood at on all sides the radicle pit side wall up.The foundation beam upper part compares the 50 mm side mold of raft plank nood
9、les high to put together to pack with the 100 mm breadth combination steel template and use wire Ning tight, in the center prop up with mat piece or reinforcing bar head to promise the piece of beam noodles size.The template side fluently keeps pulling wires a little bit just, stalk line, cut noodle
10、s size according to mat layer up of play a line check more positive.The template after reinforcing the examination completion uses a level instrument to settle an elevation and flick Mao open on the template noodles top surface even line.Be control the basis of Mao elevation.(2)In order to dismantle
11、 the propping up of template tube, and wood Xie.etc. first the sequence of mold, loose conjunction piece, then dismantle template, clean up, the classification returns a heap.Dismantle before the mold Mao to want to attain certain strength, promise dont damage sharp angle while dismantling a mold.2.
12、Reinforcing bar engineering (1)Reinforcing bars pressing the model number, specification classification to add a mat wood is piled and overaly plastics to organize a defence rain snow.(2)The dish I class reinforcing bar adopts a cold method for pulling to adjust to keep, cold pull a rate control at
13、4% in.(3)For be subjected to dint reinforcing bar, the I class reinforcing bar bitter end(include to used to the I class reinforcing bar of distributing the reinforcing bar) does 180 degrees curved hook, curved the diameter inside the Hu be no smaller than a 2.5 ds, the straight and even segment len
14、gth of curved empress is no smaller than 3 ds.The II class reinforcing bar is design to request that when doing 90 degrees or 135 degrees is curved to hook bend the diameter inside the Hu be no smaller than 5 ds.For dont weld to close Jin bitter end to make 135 degrees curved hook, bend diameter ins
15、ide the Hu in addition to being no smaller than a 2.5 ds still dont should be smaller than to be subjected to the dint Zong Jin diameter inside the hoop path, the straight and even segment length of curved empress is no smaller than 10 ds.(4)Before reinforcing bar colligation starts construction, es
16、tablish in the radicle pit cami Gao about the simple warm Peng with 4 ms with cover rain snow and keep radicle pit air temperature, avoid a mat layer Mao suffering jelly to harm in the reinforcing bar colligation period.Sign pillar to use 50 steel pipes, is apart from for the 3.0 ms, the coping mane
17、uvers toward the even pole is respectively? 50 steel pipes, the tube mesh size constituting is 1.5 s 1.5 mses, its top spreads wooden board, square steel pipe etc., reply colourful on the wooden board cloth, then full spread grass Lian.Illuminate to use a common incandescent lamp bubble inside the P
18、eng, establish a two rows and to be apart from 5 ms.(5)The colligation process of foundation beam and raft plank Jin:Play line lengthways beam Jin colligation, take seat raft plank lengthways bottom layer Jin decoration horizontal beam Jin colligation, take seat raft plank horizontal bottom layer Ji
19、n decoration the raft plank bottom layer net slice colligation prop up Ma Deng Jin to set out raft plank horizontal upper level Jin decoration raft plank lengthways upper level Jin decoration the raft plank upper level net slice colligation.Make to check completely to the template and basic before t
20、he reinforcing bar colligation, , the miscellaneous articles or objects in the homework noodles, float soil, and sawdust.etc. should clean off.Reinforcing bar net slice the Jin used the color of differing from the stalk line and template line while playing position line is opened with distinction.Be
21、am physique colligation use simple Ma Deng to make a support.Concretely hold a step for:Press to compute a good amount to put hoop Jin wear a lord Jin painting the hoop Jin position line colligation framework withdraw a support to take seat framework.The framework upper part Zong Jin and hoop Jin ar
22、e proper to button up colligation with the set, the colligation should be firm and good enough, the framework doesnt take place to tilt to one side, loose move.Maneuver the protection layer of the Jin and the raft plank bottom layer Jin that is ex- and wants good beam of mat toward the beam physique
23、s taking seat mat piece, the amount has to be enough.The raft plank net slice adoption horoscope buttons up colligation and mutually hands over to order all colligations, close together hand over the colligation of point of square mutually not proper homology.Top and bottom layer the net slice in th
24、e center use Ma Deng Jin to prop up and promise the upper level net a slice the position is accurate, the colligation is firm, have no loose move.(6)The reinforcing bar deals with contact a form and is subjected to dint Jin and distributes a Jin adoption inside the raft plank colligation to take to
25、answer and take to connect position and take to connect length to request according to the design.The foundation the Zong Jin adoption one side(is two-sided) takes to connect to give or get an electric shock Hu Han and welds to deal with contact position and Han to sew length to press design and nor
26、m request and weld to try the piece requests to detain according to the norm, experiment.2.Mao engineering (1)Adoption the spot the machine mix blend, the Mao transport pump to pump to send of project.Consider the winter expects to start construction, and want the influence that can effectively keep
27、 continuous snowfall from sprinkling to the Mao to build a construction, the Mao winter expects to start construction to adopt comprehensive Xu to be hot, the Mao Chan in addition, assist to start construction with the warm Peng a method.(2)?Match with ratio of try to go together with to press the r
28、equest that the pump sends, collapse to fall a degree to attain a 150-180 mms, the cement chooses sour brine mire of common Huo 32.5 numbers, sand is medium sand, the pebble is a 5-25 mm grain path crushed stones, the in addition chooses a Mao pump to send antifreeze, early strong reduce water of ty
29、pe.Mix to match water as tap water.The Mao makes sure after matching with the ratio from the spot the original material sampling send to laboratory to try to go together with that the spot starts construction again according to measurement of the thick thin bone anticipates to physically contain amo
30、unt of water and goes together with to the laboratory than the list to make to adjust.(3)The sequence sprinkling to build is to sprinkle first to build an I segment, sprinkle to build an II segment behind.Sprinkle the construction building a Mao to fly to is first turned into again from the A30 stal
31、kses 16 to the A1 stalk sprinkle to take a side behind;Sprinkle the construction building a Mao to fly to sprinkle to take a side after 58-18.(4)Sprinkle should attain before the Mao:The reinforcing bar has already finished making a concealed examination to accept and meets a design request.The Mao
32、transports a pump tube the support have already taken to establish completion, support firm credibility, and promise that the pump tube that prop up piece and its top doesnt press reinforcing bar and template.Supports propping up a tube piece should independently establish, not ability and template
33、support or steel pipe conjunction.The Mao mixer burden tries an operation as usual.The Mao transports a pump to adjust to try to complete and fill with water to try to press as usual, pump a tube have been already linked, seal completely intact.Calculate tool such as scale, and set steelyard.etc. th
34、rough the check check actually and without any error, the Mao agitation fills with amount of water to calculate a machine to try to circulate on board accurate.The Mao flaps Dao machine through the examination try an operation just.Cement, sand, stone and in addition the etc. material have already h
35、ad enough amount of storage on the scene, and have already carried out a good supply outlet, can promise the follow-up supply sprinkled to build construction in a row.The spot the thick thin bone anticipate physically contain amount of water have been already measuresed and have already adjusted a g
36、ood construction to match with a ratio.According to construction the project and technique measure request to have already carried on an overall construction technique to hand over bottom to the class set.The winter expects to start construction of each assurance measure, like aqueous heating temper
37、ature whether attains a request, the heat preservation overalies supplies whether the ready etc. has already carried out complete.(5)The Mao agitation adopts two sets 350 work at the same time from the fall type mixer, of root Ju mixer anticipate the ability choice suits of the Mao transport a pump
38、and always and physically feed to anticipate quantity in the unit mixer inside time have to transport a swallowing of pump with Mao to anticipate quantity to went with should, promise to pump machine of circulate in a row as usual and not super burden work.(6)Bind Jin for period inside the radicle p
39、it put up of warm Peng, can consider according to the actual weather condition Be the Mao sprinkles to build and protects a period of hide snow and heat preservation Peng.Is even to establish 3 to measure Wen Dian to record air temperature inside the Peng in the Peng, control inside the Peng with ou
40、tdoor air temperature difference in temperature circumstance to adopt homologous measure.(7)Sprinkling to build before the construction the miscellaneous articles or objectses, such as mud and sawdust.etc. in the template to clear is clean, on reinforcing bar or template if glue ice snow to clear in
41、 time.(8)The Mao mixs the heating of suitable for use water.Is one water tank, underneath start a fire heating with the coal by the side of the mixer, the water temperature goes to 60 -80 then, should not more than 80 .But can fill with water to 100 according to the actual air temperature condition,
42、 but the cement can not directly get in touch with with hot water.(9)The thick thin bone is anticipating if contain ice snow jelly piece etc. to clear in time, mix each original material of matching the Mao to calculate beard accurate.The thick thin bone anticipates to use cart up anticipate, the sc
43、ale measures, the cement is calculated with each bag 50 kgs, the pump sends to antifreeze to measure with the set steelyard, and water is mixed blend to on board calculate a machine to calculate with the Mao.(10)Adoption pebble while mixing blend cement sand or sand cement the hurl of the pebble ant
44、icipate sequence and avoid or so hot water of 80 and cement direct contact, occurrence in a sudden Ning phenomenon, pump send to antifreeze and bone to anticipate to together join.Mix blend time to be no less than 90, promise that mixing to match a thing to mix blend is even.(11)The Mao transports t
45、he pump tube of pump to use the grass Lian package heat preservation.The Mao transports to sprinkle to build a point in time after mixer anticipated and promise temperature for Mao to go into mold not the bottom is at 5 .(the thermometer actually measures)If sprinkle to build actually measure the go
46、ing into of Mao mold temperature could not reach 5 , can adopt the following measure:Continue to raise to mix the temperature of matching water.Close to sprinkle the district of building the point inside the on the spot warm Peng even establish stove to start a fire to heat.(12)The Mao pump should i
47、s placed in slowly and soon and all and soon while starting pumping to send, and at any time the status of anti- pump.The pump sends speed should first and slowly behind quick, gradually accelerate.The pump sends Mao should in a row carry on, be to transport a pump tube be blocked, immediately adopt
48、 the following measure exclusion:Again carry on an anti- pump and is pumping, gradually suck out Mao to anticipate Dou in, afresh agitation behind pump to send;Pound an etc. method with the wooden stick, find out to block part Mao shot loose after, carry on an anti- pump and is pumping, expel block.
49、When above-mentioned two kinds of methodses are invalid, should in the Mao after unloading to press, tore down the duct of blocking the part, take over again to transport after expeling Mao to block a thing.(13)The Mao flaps the Dao adoption insert type to flap Dao stick.The vibration stick wants to quickly put to slowly pull out while flapping Dao and put to order even arrange, gradually order ambulation, the sequence carries on, in order to prevent leak to flap.Put s
