内墙抹石灰砂浆施工工艺(901-1996)

1、.内墙抹石灰砂浆施工工艺(901-1996)In the process of construction of wall with lime mortar (901-1996).Txt22 genuine wine, the longer the year more mellow thick type; sincere is the fireworks, it is beautiful bloom only in height; sincerity is the flowers, the fragrance delivery on hand. A lonely heart needs love

2、; a cold heart need the warmth of friendship; support and comfort need to force a desperate heart; a pale heart sincere help; a full alert closed door is need sincere this key to open it! Internal wall lime mortar construction process (901-1996).Txt the most precious thing in the world is not always

3、 lost or gained, but what you have gained and may lose at any time! Love is a lamp, while friendship is the shadow. When the lamp is off, you will find the shadow everywhere. Friend is who can give you strength at last. This technology is applicable to industrial and civil building walls with lime m

4、ortar (including with cement board or dado and sill). 2.1 main materials and machines:2.1.1 lime paste: the application of massive lime leaching system, must be filtered by the hole is not more than 3mm * 3mm sieve, and stored in the sedimentation tank. Curing time is generally not less than 15d at

5、room temperature, and should not be less than 30d when used for covering dust. When used, lime paste shall not contain immature particles and other impurities.2.1.2 grinding lime powder: its fineness should pass through 4900 hole /cm2 sieve, use before soaking with water to make it mature fully, and

6、 its aging time should be more than 3D.2.1.3 cement: 325 mesh slag cement and ordinary Portland cement. The factory certificate or retest shall be used for more than three months, and shall be used as the result of the test.2.1.4 sand: medium sand, with an average size of 0.35 0.5mm, should be used

7、before the 5mm aperture sieve. And must not contain impurities.2.1.5 paper: before use water soaked, mash, and shall be clean; cover paper reinforcement should use machine grinding grinding. Straw. Wheat straw should be firm and dry, with no impurities, and its length should not be greater than 30mm

8、. Straw and wheat straw should be soaked in lime pulp.2.1.6: soft, dry hair, on the loose, free of impurities, the length of 10 30mm, 4 5D before use with lime paste adjusted (also available synthetic fiber).2.1.7 main equipment: mortar mixer, grey paper reinforcement mixer, spade, sieve (5mm in dia

9、meter), narrow groove, barrels, trolleys, ash, the ash bar, 1.5m 2.5m, 2m Du by foot board, wire, steel tape, feet, mortar board, iron trowel, wood trowel, plastic socks, eight by foot, 5 7mm thick square on foot, yin and Yang, a trowel trowel, iron level, long hair brush, brush, wire brush, broom,

10、rubber hose, watering can, small bucket, pink bag, small white, (drill tip, flat head), hammer, pliers, nails, supporting board, tool bag etc.2.2 operating conditions:The 2.2.1 must be checked and accepted by the relevant departments for structural engineering, and the plastering works can be carrie

11、d out before the quality is qualified.2.2.2 before plastering, check whether the installation of door and window frame is correct, and whether the wall is firmly connected. The gap between the joint with 1: 3: 1: 1 cement mortar or cement mortar mixed with 6 layered impaction compacting, if the gap

12、is large, should be in the mortar mixed with a small amount of hair,To make it compact; wooden doors should be protected with iron sheets.2.2.3, Liang Dian, lintel ring beam and column surface convex part of concrete flat tick. The honeycomb, surface voids, reinforcement should be carved into practi

13、ce, brush a cement paste (in water weighs 10% 107, followed by 1 glue): 3 cement mortar filling layer; foot hand eye should be tightly blocked, exposed steel head, the wire should be removed first, the window should be filled in the brick partition wall and floor; Liang Di, at the junction of applic

14、ation of inclined brick yan.2.2.4 pipeline through the hole in the wall, the floor should be promptly placed hole casing, and with 1: 3 cement mortar or concrete filling compacting; wire pipe, fire hydrant box, distribution by installation, and will open some nail behind wire mesh; wiring box paper

15、tightly blocked.2.2.5 closet door frame and wooden fittings installed; curtain hooks, ventilation grate. The cabinet and other embedded iron position and elevation accuracy, and good anti-corrosive and anti rust paint brush.2.2.6 the dust, dirt and grease on the base of the brick wall should be clea

16、ned and watered.2.2.7 in accordance with the indoor height and plastering site specific circumstances, in advance ready for plastering high stool or scaffold, shelf should leave the wall and corner 200 250mm, in order to facilitate operation.2.2.8 large indoor area should be built before the constru

17、ction program, the first model room, after the identification of a large area of construction.2.2.9 roof waterproof works should be taken protective measures before the indoor plastering is completed.3.1 process:Watering, wall hanging vertical plastering cake, wipe cement board or to protect, using

18、concrete dado, sillFill the wall with sand and dust3.2, wall watering: plaster the day before, the use of rubber hose from top to bottom watering, moist.3.3 general plastering according to the quality requirements are divided into ordinary, intermediate and advanced three, the average thickness of t

19、he indoor brick wall plastering layer shall not exceed the following provisions:Ordinary plastering dates 18mmMedium plastering dates 20mmAdvanced plastering dates 25mmAccording to the quality grade of the plastering required by the design drawings, according to the level and vertical condition of t

20、he base surface, hang the vertical and square sides and find the rules. After checking, the thickness of the plastering shall be determined, but at least not less than 7mm. The wall is larger to the layered concavity lining flat (lime mortar and cement mixed mortar, the thickness of each layer shoul

21、d be 7 9mm), when the dust cake wiping ash cake cake; plastering according to indoor plastering requirements (to wipe skirting board or cement dado), to determine the correct position of ash cake the on foot to find a good vertical and flat plate. Cake should be 1 to 3 cement mortar 5cm square shape

22、.With 3.4 cement baseboards (or cement: dado) with clear water will spread through the wall, dust, dirt, rinse clean, wipe the dust from the reinforcement reinforcement (pie filling should some wide, 8 10cm is appropriate, so it is with reinforcement board or dado basis, but also put on the basis of

23、 lime the mortar wall surface), fill in the file, imprimatura generally use 1 / 3 cement mortar with good after scraping bar. Wood trowel rub hair, at room temperature for second days to finish mortar. The surface ash is pressed with 1:2.5 cement mortar. Dado and skirting with, should generally be p

24、rotruding lime wall 5 7mm,But there are some practices with a flat or concave wall lime lime wall, according to the design requirements of the construction (cement mortar dado with practice).3.5 cement corner: indoor walls corner, corner windows and doors and cylindrical corner 1 application: 3 ceme

25、nt mortar and plaster base cake mortar leveling, to be slightly dry, with 107 glue cement anointed into small fillet; or a 1: 2 fine cement mortar do Ming Kok (2mm higher than the bottom ash, lime and should cover, Qi Ping) whose height should not be lower than 2m, each sideWidth is not less than 5c

26、m. Door window corner finished, should be timely brushing with water cement paste on the door and window frames.3.6, cement window sill: first, the window sill clean, loose brick to re build good. The brick gap is deep and water is used, and then 1 - 2 - 3 - stone concrete is laid, the thickness is

27、greater than 2.5cm. The next day, brush with water, heavy 10%107 glue, cement slurry together, followed by wiping 1: 2.5 cement mortar surface layer, until the surface layer of color began to turn white, water conservation 2 3D. The window sill should be straight and not burr.3.7, wall punching tend

28、ons: with plastering layer of the same mortar, tendons, the root of the tendons should be based on the width or height of the room, the general width of the tendon is 5cm, can be filled with transverse tendons can also be filled with tendons, according to the construction operation habits.3.8 imprim

29、atura: General fully reinforced around 2H can wipe the bottom ash, when the first thin plaster scraping a layer, then layered loading gear, leveling bar and the vertical and horizontal scraping look, wood trowel rub hair. Then check whether the formation of a gray, yin and yang angle is founder, ash

30、 pipeline whether wipe Qi, wall and top handover is smooth, and the vertical supporting board and flat case check the wall. The wall plastering at the back of the radiator shall be carried out before the installation of the radiator, and the plastering surface shall be connected and rubbed smoothly.

31、 After plastering, the scattered mortar should be cleaned in time.3.9 repair with reserved holes and slots, electrical box, box: when the bottom ash level, should be dedicated to lime mortar off reserved holes and electric box, box slot, peripheral 5cm, modified with 1: 1: 4 cement mixed mortar, the

32、 hole, groove, box, box with smooth and flat surrounding.3.10, cover the face ash: when the bottom ash six and 70% dry, you can begin to wipe the cover surface ash (such as the bottom ash, dry, should be watered, wet). Cover ash should be two times survive, the thickness of about 2mm, two people at

33、the same time the best operation at the same time, one of the first thin scrape once, and the other immediately smoothed. According to the first post order, and then catch the light compaction, and then use the iron float pressure again, finally the plastic float pressure light, then with a brush di

34、pped in water will cover the ash fouling cleaning in place net.3.11 winter construction: should meet the following requirements:3.11.1 during winter construction, indoor brick walls should be insulated with lime mortar, and the materials used for mixing mortar shall not be frozen. When applying, the

35、 temperature of the mortar should not be lower than 5 degrees.3.11.2 indoor plastering lime mortar construction environment temperature shall not be lower than +5 degrees centigrade. Put in advance the indoor heating, insulation and cold work.3.11.3 walls built by freezing shall be plastered indoors

36、 until the thaw is over and the room temperature remains above +5. Lime mortar shall not be applied to the negative temperature and frozen walls.3.11.4, winter construction should pay attention to indoor ventilation, remove moisture, should be assigned a person responsible for the timing switch door

37、s and windows and temperature measurement, plastering layer may not be cold.4.1: Provisions to ensure that the project material varieties, quality must meet the design requirements and material standard; between the plastering layer and plastering layer and the substrate must be firmly bonded, no de

38、lamination, hollowing, surface layer and non explosive ash and crack.4.2 basic items:4.2.1 surface:The ordinary plaster: the surface is smooth, clean, smooth joint.Intermediate plastering: smooth and clean surface, joint smooth, straight clear line angle.Advanced plastering: surface smooth, clean, u

39、niform color, no wiping lines, line angle and gray line upright, clear and beautiful.4.2.2 hole, groove, box, pipe behind the plaster surface: size is correct, the edge of neat and smooth, smooth behind the pipe.The gap between the 4.2.3 door frame and the wall is packed tightly and the surface is s

40、mooth. Corner height in accordance with the provisions of the construction specification, smooth surface.4.2.4 sub grid (seam) width: the depth of uniform, strip (seam) smooth, flat angle, flat, vertical, smooth.4.3 allow deviation items, see table 9-l.Lime mortar permissible deviation of 9-1Allowab

41、le deviation (mm)Ordinary intermediate senior1 vertical? 53 2m supporting board inspection2 smooth surface with 2m 542 by foot and wedge feeler check3 Yin and yang angle vertical with 2m brace to check 42?4 Yin and Yang founder? 42 20cm feet and wedge feeler check5 bars (seams) straight, 3, pull, 5m

42、, small line and ruler checkNote: L. intermediate plastering, this table fourth items, Yin corner is not checked.2., ceiling plastering, this table second surface smooth, can not check, but should smooth.5.1 must advance the door gap before plastering window frames and wall joints with cement mortar

43、 impaction compacting (aluminium alloy window frame should be set aside a certain gap with caulking materials, the caulking materials by design); the door nail is provided with a metal or wood protection.5.2, in time to clean the remaining doors and windows on the frame mortar. Aluminum alloy doors

44、and windows must have protective film, and keep until the completion of the need to clean the glass so far.5.3 when pushing or carrying things, be careful not to damage the corners or walls. The large bar and spade for plastering should not lean against the wall. Prohibit stepping on the windowsill,

45、 to prevent damage to its edges and corners.5.4 to dismantle the scaffolding dismantled gently, after the removal of materials neatly, not damaged doors and windows, corner and quarrel.5.5 to protect the wall embedded parts, curtain hooks, ventilation grate etc. The walls of the wire trough, boxes,

46、plumbing equipment, reserved holes, etc., do not arbitrarily wipe the dead.5.6 the plaster shall be protected from drying, water, impact, vibration and extrusion to ensure the sufficient strength of the ash layer.5.7, pay attention to protect the floor surface layer, not directly on the ground floor

47、 mixing ash.6.1 windows and doors, walls, skirting board, dado is hollowing crack:6.1.1 door and window frame on both sides of the ash plug lax, wall embedded block spacing is too large or block loose,Through the switch vibration, the door window frame on both sides of the gray shock crack, empty. T

48、herefore, attention should be paid to the door and window frame plug process, should have a person responsible.6.1.2 basic cleaning is not clean or improper treatment; wall watering through, after plastering mortar in the water will soon be primary (or bottom ash) absorption effect, cohesive force,

49、should be careful cleaning and early watering, to allow water to seep into the brick wall which can meet the requirement of 8 10mm.6.1.3 base deviation is larger, once the plaster is too thick, resulting in shrinkage cracks, should be layered lining, each thickness of 7 9mm.6.1.4 mortar and raw mate

50、rial quality does not meet the requirements: should be based on different grassroots, using different mix ratio to prepare the required mortar, while strengthening the raw materials and plastering parts of the mixture ratio management.6.2, the plaster surface foaming. There are lines, soot, flowers:

51、When the 6.2.1 is covered with dust, the light is pressed too tightly, and the mortar does not receive water. Therefore, the excess water vapor after pressing the light causes foaming.The bottom ash of 6.2.2 is too dry, so it should be watered. Or with the shield and ash, water will soon be bottom a

52、sh absorption, so the pressure of light is prone to leakage pressure or pressure light pouring difficult; if too much water, wipe the surface dust, floating in the ash layer surface pressure light easy to appear with grain.The use of 6.2.3 pulverized lime powder, the fire burned less ash, ash particles and impurities not thoroughly filtered, ash curing time is not enough, there are immature