测量专项施工方案Measurespecialconstructionplan

1、测量专项施工方案（measure special construction plan）hunan quality technical supervision and testing center construction survey special construction plan1. special construction plan for engineering construction of hunan quality technical supervision and testing centerthe ministry of quality and technology sup

2、ervision and inspection center of hunan province, hunan province construction co., ltdfebruary, 2010hunan quality technical supervision and testing center construction survey special construction planin the first chapter of the project, the project overview and the characteristics of the project. 3c

3、hapter ii the steps of the construction survey and the main instruments. 5the third chapter of the construction measurement technology demands. 5in the fourth chapter, the measurement method. 6measure the working procedure. 6as a measure of infrastructure construction,. 6the standard layer construct

4、ion measure. 7the elevation measurement of. 7step 5, detail measurement. 8in the fifth chapter, the view of the variable view. 11chapter vi the construction of the line work. 12chapter 7 measurement records. 13hunan quality technical supervision and testing center construction survey special constru

5、ction planthe general situation of the project and the general situation of the project constructionquality and technical supervision inspection center is located in the era of yuhua district in changsha city of hunan province 238 sunshine avenue by this projecta, b, c three buildings integrating th

6、e functions of office, inspection, supervision, etc. a height of 54.3 m, b and c seats 40.9 m.the total construction area is 46567m2. design use fixed number of year for 50 years the seismic grade for level 4 6 degree seismic intensity regionframe - shear wall structure.1, the measurement of the pro

7、posed methodthis project is a rectangle building the house outside, some more according to the construction units to provide # 1-9 points, a, b, cthree fixing the house engineering measurement positioning is a difficulty.integrated the engineering characteristics of used in construction process of c

8、omputer aided design, the total station to control the feedingmethods according to the project owner for building in changsha city bureau of pile record lead city coordinate network construction field in peripheral 50 m away from the buildings within the scope of setting three benchmark pile after r

9、eview and correct the city as its referencethe basis of city coordinates.use cad auxiliary design will draw shaft building pile foundation and network position in the city's coordinates corresponding designall coordinates accurately calculated for each axis intersection point coordinates and art

10、ificial dig-hole pile of pile core. at the same time, it annotated the corethe size of the relationship between total station measuring site layout on one of the benchmark after the second reference point for viewpointanother point for inspection review instrument test adjust pay-off begin after pil

11、e core using timber and steel nailtype recording on the pile location with 50 m check the size of the relationship between audit and pile core steel rule found partialdifferential analysis reasons timely adjustment in a timely manner.outward and inward, respectively, the axis offset 1.0 m set as aux

12、iliary axis calculated with the beam the coordinates of intersectionmeasured with total station positioning and of the length measurement by steel rule method used as pile foundation excavation pile basis during the inspectionthe basis of the line.artificial dig-hole pile concrete pouring finished u

13、se of pay-off and calibration method for pile foundation pile location deviation of line inspection classicscheck the pile foundation the range of allowable deviation in the specification.cushion construction after the completion of using total station to measure the axis intersection in pile core o

14、r cushion concrete surfaceeach point will be marked ties up play chalk line records on the pad surface formation arc shaft and drive shaft as a benchmark to the socketthe position of components such as table and ground beam is precisely arranged.because most of the column is located in the axis inte

15、rsection affected by column reinforced actual pay-off cannot directly measure to the shafthunan quality technical supervision and testing center construction survey special construction plan4 line intersection so axis of inward and outward migration respectively 0.8 m again by steel rule as the auxi

16、liary axis measurement it is easy to find the axis position of the original design and the relative position of each component.measurement for the convenience of the upper structure construction auxiliary shaft in foundation slab concrete network of eight internal locus of control and accurate measu

17、rementset to benchmark on the upper floor panel construction is this position when the measured 200 * 200 holes use aligner toputright benchmark flat layer after measuring unreeling according to corresponding relation of auxiliary shaft net outside the building corner set at the same timeput on cont

18、rol points adopt vertical ball diameter shaft and transit to review.hunan quality technical supervision and testing center construction survey special construction plan2. steps of construction measures and main instruments 1. measurement procedurescontrol axis transition - check - establishment cont

19、rol network - check - construction survey2. construction survey main instrument serial numberthe number of the number of the means of the typeonetotal station bts - 6082c measurement control network12the precision horizontal angle of the j2 and j6 theodolite is measured in 2 second level3ds3 level m

20、easurement of level3 mmtwo (2)4c3 type level settlement observationthe 0.5 mm1550 megabytes of steel tape measure vertical dimension measurement of 26small steel tape measure (5m) small distance measurement of 157box staff 5 m / 3 m height measurement verification 2/1 root8the detection of the dzj3-

21、l1 vertical control network of laser lead hammer19messenger wire line hammer5 kgfour10use the intercom2chapter iii construction measurement technology requires 1. precision control sequence number of construction measurementthe item is allowed to be biasedonefloor elevation allowable deviation3 mm2s

22、ubject caps are always allowed to be misaligned20 mm3measurement of the dimensions of each axis in vertical layer3 mm4total vertical deviation of the main cap20 mm5n sedimentation observation closure error of 0.6 or less) for the station n2. to achieve the measurement accuracy, the following technic

23、al requirements shall be met:2.1 observation of horizontal angle, the error in a measurement is not greater than or minus 2 seconds;2.2 eliminate the optical error of the instrument, and the point device must be turned in the opposite directionpoint, eliminate optical error to point error;2.3 in str

24、ict accordance with the instrument's operational procedures, elaborate operation, points of the leveling bubbles in the 360 range 2.4 circle in the center of 2.5 the visual alignment must be combined with the instrument shaft.hunan quality technical supervision and testing center construction su

25、rvey special construction planthe measurement procedure1.1 organization settingaimed at the complex terrain of the project and the construction area is large, building shape for the characteristics of the fan-shaped in this projectthe technical department sets up the surveying team.measurement of te

26、am members serial numbernamejob contentonepeng feng group leader instrument operation, data consolidation2wang shaowei group member record, instrument operation, data collation3zhou yaowu team member ruler4the golden righteous group of men1.2 responsibilities division1.2.1 the measuring group shall

27、be responsible for the establishment and building of the control points and construction site control network of the receiving site of the construction partylayer for measuring control line, elevation measurement and settlement observation, and other important parts of the construction survey respon

28、sible for the projectmanagement of measuring instruments, daily maintenance and testing.according to the builder group assignment date 1.2.2 house bugle call layer floor axis control release line control of each axis, column, wallthe position of the beam line and reserve, buries the line of position

29、 and review. the project technology department is responsible for controlling the main axis lineline review.1.2.3 each floor construction measuring unreeling finished internal review is completed project builder's date by house bugle call of construction measurethe results to the supervision eng

30、ineer inspection approved by supervision engineer to review before they can undertake the upper structure construction.2. basic construction survey2.1 establishment of control networkcommenced after given the coordinates of the point measurement group according to the project owner and the general l

31、ayout of buildingsangular point mark coordinates as a pay-off basis according to construction drawing design to establish the main axis coordinate control network with control networktotal station instrument for measuring, the court putright axis control points at the same time can also be condition

32、al control axis led to solidfixed on the outside of the foundation pit soil as the basis of external control check control piles with internal locus of control and the specific settingsthe points are properly adjusted according to the site conditions during construction.2.2 setting of control pilesc

33、ontains all the control points of pile in the soil layer axis network and elevation control point are set for concrete pier is buriedhunan quality technical supervision and testing center construction survey special construction plan7 concrete pier cross-section is 300 mm * 300 mm reinforced depth o

34、f not less than 500 mm depth of not less than 1200 mm pile surfacethe pile number, axis and elevation are marked with red paint. the control pile point setting must be around the pileset of reliable, marked the containment of to protect control piles.2.3 basic construction surveying methodsfoundatio

35、n construction stage of use level, total station combined with 50 m steel tape according to control the pile directly to each axisline for measuring and then according to the design of section pay-off with s2 level for each component to combine five meters box staff directlyelevation test. foundatio

36、n construction stage of considering the control of pile is often easy to collide and affected by land subsidence displacement therefore, it is necessary to check the control pile before the control pile is closed.standard layer construction measurement3.1 standard layer construction control network

37、setting waysthe axis of the standard layer is measured by the inner and outer dual-control axis. on the negative one floorbuy internal locus of control internal locus of control of embedded, in a negative one floor control point the location of embed a 150 mm x 150 mmthe steel plate, sheet metal wel

38、ding on a screw axis will be as for screw internal locus of control settings see figure and main axis controlset up external control network outside the building.3.2 guidance of control lineduring upper structure construction place in internal locus of control design, 150 x 150 square aperture. the

39、upper knot is performedaxis structure for measuring will laser thousand hammer is set up on the internal control point location up for test and then use the total stationthe coordinate of the auxiliary line of each axis is measured.the elevation measures the concrete floorline control line150 x 150

40、steel platescrewaxis kerfaxis control point precast iron schematic diagramhunan quality technical supervision and testing center construction survey special construction plan8 4.1 according to the project owner to provide the level of point in s2 level in the construction site away from excavation l

41、ineall local position three mutual visibility embedding permanent control points measure its elevation and record, finishing schoolnuclear as basement, first floor construction and the original basis of settlement observation. foundation construction stage height measurement directlyuse the s3 level

42、 to guide the elevation control points on the ground.in the first layer after the construction drew elevation control point to outsidewall without sunscreen fust at least two points on the usually relative elevation 0.500 meters structure increase surveyorpass the elevation up with 50m steel tape. t

43、he level will be transferred to each related component with a level of water level.4.2 standard layer control points with the structure set up elevation during the construction of other floors in the above control pointsto avoid the cumulative error of the set up.4.3 vertical transmission of elevati

44、on: 0.50 m water is measured in the vertical structure of the first floor when the first floor vertical structure is constructedflat line.5. detail measurement5.1. release of control axes on each floorthe control axis from the reserved hole with laser thousand hammer putright on floors using relativ

45、e coordinates with total stationgive out axis position. four control points must be recorded in the mutual check check the distance between each point, the point of viewuntil it fits perfectly.5.2. the setting of walls, columns and templatesaccording to the control axis location lofting out the loca

46、tion of the wall, column, dimension line, column reinforced location to check wall andwhen rectifying for big template position in place. release the template line control line around it. put double line control to protectthe section size and position of the wall and column. then release column cent

47、erline stay column after the demolition of touch panel to guide the line into on the cylinderto determine the position of the upper beam.5.3. the lofting of beams and plateshunan quality technical supervision and testing center construction survey special construction plan9 after wall, column rippin

48、g for elevation transmission immediately on the wall, column with a chalk line don't pop-up + 0.50 m lineto play leakage according to line up again end of beam and plate is measured and the template line.5. the lofting of the stairs according to the design of stair step size in the wall on both

49、sides of the actual location with a chalk line pop-up and pop up two ladder angleparallel lines to rectify. such as graphic hunan quality technical supervision and testing center construction survey special construction plan1. settlement observation1.1 setting of settlement pointsset the number and

50、location of settlement observation points according to the requirement of the specification and design in the phase of the blue prints.the design construction units, supervision and design institute of preliminary determine the settlement point set to negotiate for foundation construction is complet

51、edset up according to the actual situation.for better settlement observation buried within the construction site should be conducive to the level of bp putright and the number directlythe amount not less than two each time for settlement observation beforehand, examine whether the benchmark level po

52、int changes is abnormalit is often used to perform the measurement.settlement point embedding method for belt anchor foot first 100 mm x 100 mm steel plate embedded with the observation pointscape and elevation embedding as stipulated in the design for the template is dismantled accurately find out

53、the elevation, welding angle, angle is zerol75mm x 75 mm long for 100 angle observation point welding on an 8 mm steel ball do as shown.1.2 measurement of settlement points1.2.1 settlement of the project by project measurement team leader to organize and implement settlement observation the c3 level

54、 to measure the level is equipped with a special box staff only for the use of settlement observation .1.2.2the level of settlement observation and precision demanded to see the table below levelerror in elevation mm error in the height difference between adjacent points mm ring closure mm second cl

55、ass n n + 1.0 + / - 0.5 0.6 or less) for the station embedded - 8 * 100 * 100the steel plateobservation point75setting of the settlement observation pointhunan quality technical supervision and testing center construction survey special construction plan11 1.2.3 subject construction stage every rise a layer of measured after the sealing of not less than once a month subject structurebefore the completion of the completion of the project, the owner shall observe the settlement point of the settlement point with the superviso