CN104005426A - Basement post-cast strip double-splicing arch plate concrete retaining wall construction process - Google Patents
Basement post-cast strip double-splicing arch plate concrete retaining wall construction process Download PDFInfo
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- CN104005426A CN104005426A CN201410230750.8A CN201410230750A CN104005426A CN 104005426 A CN104005426 A CN 104005426A CN 201410230750 A CN201410230750 A CN 201410230750A CN 104005426 A CN104005426 A CN 104005426A
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Abstract
The invention discloses a basement post-cast strip double-splicing arch plate concrete retaining wall construction process which relates to the technical field of building construction. The construction process includes (1) drawing circles in the middles of two prefabricated plates according to the regular size; (2) enabling the prefabricated plate with the tangential angle and the prefabricated plate with the right angle to form a wedge shape; (3) determining the size and the weight of the prefabricated plates; (4) stabilizing the prefabricated plates; (5) vertically connecting the prefabricated plates; (6) processing steel bars exceeding a panel. Oil blocking and water discharging are integrated, certain space is retained in the inner cavity, and a water pump and a commodity concrete flexible pipe can be arranged in the space to be directly arranged in a mould. A certain angle is formed between the plates and a wall body post-cast strip, the plate ends are arranged on the boundary of the post-cast strip, various connection modes can be adopted in the inner cavity, external connection is reduced, external water prevention is not affected, the signal-plate span is small, the plate thickness is small, the single plate height can be increased, and the work efficiency is improved.
Description
Technical field:
The construction process that the present invention relates to basement post-pouring zone Two bors d's oeuveres arch bar concrete barricade, belongs to technical field of building construction.
Background technology:
Basement post-pouring zone breast boards mainly contains following three kinds at present, 1, steel plate, with straight steel plate, directly overlay on the breach of ater-casting, two ends stretch out breach certain distance, on one side welding (in fact utilize the original screw rod of wall body to connect better, steel plate is opened vertical strip hole, vertical direction does not affect sedimentation, horizontal direction utilizes self material consistent with reinforcing bar, free-extension, but waterproofing course is done in screw rod impact.), Yi Bian only cover (stretching or sedimentation in order not affect wall body).Shortcoming one is that lateral rigidity is poor, returns the yielding wall body undersize that makes after soil, top concrete build vibrate in (soil pressure is little), welding one side does not easily lean outward, the outside waterproofing course of drawing crack.The 2nd, on steel plate, do waterproofing course and have any problem, take to add after the measures such as expanded metal lath, ability mortar levelling, then do waterproof; Also having a kind of similar method is in order to overcome lateral rigidity deficiency, use shaped steel ribbing, but be placed on outside, affect waterproof construction, put inner side two ends and want flanged opening sealing, and steel plate side is little to stiffness change, because rib has been added welding capacity, get on, the large weight of cost is large, has lacked steel sheet local stiffness equally not enough, improve steel plate thickness, the same large weight of cost is large, and waterproof is equally difficult to construction, cannot draining; 2, the prefabricated straight plate of monolithic, that individual plates is made is simple, easy to operate, lean against wall body builds by laying bricks or stones firmly, but as calculated, thickness of slab at least 100-150 is thick, monolithic length fixes that (by Kuan Jiaer limit, ater-casting shelving length, because soil pressure is delivered to wall body by plate completely, and to stay seam to be difficult to straight ater-casting place, and should there is any corner cut for waterproofing work, by 45 degree, canted section at least 100, theoretical shelving length is monolateral should not be less than 150), for controlling monolithic weight, can only control panel wide.If long by 150 by shelving, length is 1.3 meters, and thickness is by 100, and Weight control is in 45 kilograms, and height can only control to 270, increases the workload being connected and fixed.The most important thing is, water pump often will be placed by place, ater-casting, extracts and enters the water in basement, catch pit is set in addition outside, very uneconomical; 3, rectangle masonry, straight shape is built side direction flexural strength deficiency, and wall body thick at least 370 and above thickness are calculated in bottom, must have suitable cushion thickness to do basis.General cooperation draining, does orthogonal (abnormity is affected by block character, more difficult block), and inner chamber can be established drainage pump, and the rectangular inner cavity later stage needs concrete pouring, and concrete is relatively wasted.Masonry is connected difficulty with concrete wall body tension, globality is poor, and easily toppling in top when concrete vibrates, strengthens if masonry globality, increases collar tie beam, increases cost and duration, and In Situ Concrete is built, and concrete easily spills in well, affects draining.
Summary of the invention:
For the problems referred to above, the technical problem to be solved in the present invention is to provide the construction process of basement post-pouring zone Two bors d's oeuveres arch bar concrete barricade.
The construction process of basement post-pouring zone Two bors d's oeuveres arch bar concrete barricade of the present invention, its construction process is: 1, size is drawn the middle circle of two precast plates first routinely, 2, outside wall body, corner cut is that corner cut is less than or equal to 45 degree by outside in order to give bearing of precast plate, and right-angle side and outside concrete cover are isometric, form a wedge shape with the precast plate at right angle, be subject to after soil pressure, more crowded tighter, and be subject to force direction and wall body horizontal, the most weak rigidity of wall body, has angle, 3, precast plate height is distributed equally by actual height, in 450-550, the few 3-4 of individual plates Length Ratio driven dimension, to control monolithic weight in 45 kilograms, 4, for guaranteeing high firm of the minimum 3-4m of precast plate, can be following several plate and plate, left and right arranges or is setting up and down, the connected mode of plate and wall body, consider that outside soil pressure takes into account inner concrete pressure and vibrating, need on-the-spot many people test of many times discussion to determine, can use by multiple combination simultaneously, whether take convenient and reliable is final selection: a: pre-buried welding-be divided into the pre-buried iron plate of plate face and stretch out two kinds of modes of steel bar end, with wall body built-in fitting or reinforcing bar welding, b: four jiaos of reserved diameter 6-8 of the colligation of boxing out----precast plate mould pipe preformed hole, notice that preformed hole is placed in outermost reinforcing bar inner side, the simplest mode is directly fixed with the colligation of 8# galvanized wire, 30 days ater-castings, available mortar levelling is antirust, and wall is in and the colligation of susceptor edge horizontal reinforcement, the mutual colligation of boring a hole of two plate junctions, notice that two plate adjacent holes all should fix to form integral body, can stretch into reinforcing bar brachycephaly, c: the bolt of boxing out----the mode of boxing out is the same at four jiaos, aperture changes 8-12 into, with using 6-8U type bolt, two open section screw threads, in insertion adjacent holes, the nut of riveting over adds thin billet, play fixation, pedestal place is upper and lower two holes, the mode that available porous backing plate bending and wall body socket, there are four holes of four blocks of plates at crown hinge place, how to take into account left and right and upper and lower, should become to attach most importance to, probably utilize hole, diagonal angle, U-shaped closed section adds and is welded into cross or steel sheet is made pad with identical footpath brachycephaly reinforcing bar, use thin plate, for at crown hinge place, backing plate is at external corner, after available nut screws, naturally bending, nut is interior or outer, please in-situ determination, d: the reinforcing bar back of the body draws, is mainly used in the outward pressure of interim fixing and balanced concrete while building, and embedded bar ring in back when plate is prefabricated, with straight reinforcing bar or galvanized wire colligation or welding or snap on the reinforcing bar of ater-casting, e: special reinforced clamping, with 4-5 diameter reinforcement fabrication personality card, 5, because of prefabricated plate body, building by laying bricks or stones is up and down highly 3-4 rice, connecting up and down of plate is another emphasis of engineering method success or failure, if handled well, above the 4th can only consider that level connection joint between two plates is fixed or temporary fixed, after backfill, Double-jointed board is relatively stable, so be one temporary fixed, but because there being the waterproof construction time, the backfill time is difficult to determine completely, so should there be suitable reliability, a: glue, cost is high, does not know whether continuous construction has problem, and as with cladding AB glue, cost is higher, and hardening time is long, certainly can not construct continuously, b: negative and positive connect or peg graft, plate upper and lower sides is reserved aperture, or one plate for boxing out, a plate is pre-buried short muscle, dark 10-20, insert 20-40 length reinforcing bar, diameter is approximately 8-12, and precast plate manufacture difficulty increases, high to pre-buried required precision, thickness of slab only 50 situation lower plate sides is boxed out, and it is fragile that process is moved in making, c: precast plate overlaps up and down, divide two kinds of modes, toe joint and dovetail connect, toe joint plate upper and lower sides is made concavo-convex, available 36# angle steel the is endways side form of doing, the male and fomale(M&F) of upper and lower plates is done respectively at negative and positive angle, dovetail connects, at top and bottom diverse location rightabout, respectively cut an angle, two limit 1/3-4 of plate, opposite direction, stay right-angle side 6-10mm, angle 30 degree, cut wedge angle by 10-15 degree, stay right-angle side limit mould more complicated, two kinds of overlap joints note adopting lapping direction, left and right can not be exchanged upset and use, because there is corner cut direction, or concavo-convex problem, pedestal corner cut acute angle suitable for reading outside, reinforcement location is interior, after bottom fixes, during interim placement upper board, the most unsettled, so upper board slope aspect reason is interior cunning, but past by pedestal card, with upper type, greatest problem is that upper and lower sides structure of transvers plate is complicated, can only do the template of shaping, if 6 precast plate faces are smooth without ridge, can if any reinforcing bar or steel wire, surpass plate face only to handing over seam crossing to flatten processing, answer the local levelling of integral body or seam crossing to prevent from scratching coiled material, it is circular-arc that levelling should become, and facilitates coiled material to paste.The levelling of wall body is pressed at pedestal place, and with 100 radius arc to extending to smooth-going overlap joint in precast plate.Because of the reason of flexible and sedimentation, the waterproof of suggestion ater-casting is used waterproof coiled material, three hinges, and two pedestal one crown hinges, the double-deck coiled material in position, its hollow paving 150, peripheral hardware waterproofing protection benzene plate, can prevent from, because of flexible and sedimentation, the destruction of waterproofing course is reduced to minimum.
Beneficial effect of the present invention is: its gear soil, draining one, inner chamber has certain space, can put into water pump and Commercial Concrete flexible pipe directly into mould.Plate and wall body ater-casting are angled, and plate end, on border, ater-casting, can adopt variety of way to connect on inner chamber, reduces outer connection, does not affect outside waterproof, and veneer span is little, and moment of flexure is little, makes plate thickness little, can make veneer height do height, improves work efficiency.
Accompanying drawing explanation:
For ease of explanation, the present invention is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present invention.
In figure: 1-precast plate; 2-is circular; 3-wall body; 4-corner cut.
The specific embodiment:
For making the object, technical solutions and advantages of the present invention more cheer and bright, below by the specific embodiment shown in accompanying drawing, the present invention is described.But should be appreciated that, these descriptions are exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, omitted the description to known configurations and technology, to avoid unnecessarily obscuring concept of the present invention.
As shown in Figure 1, this specific embodiment is by the following technical solutions: its construction process is: 1, size is drawn the circle 2 in the middle of two precast plates 1 first routinely, radius 150, empty in the minimum that represents to surround, expression can be put into Commercial Concrete pump line or suction pump, 2, wall body 3 outside corner cuts 4 are in order to give 1 one bearings of precast plate, corner cut 4 is less than or equal to 45 degree by outside, right-angle side and outside concrete cover are isometric, be generally 40, form a wedge shape with the precast plate 1 at right angle, be subject to after soil pressure, more crowded tighter, and be subject to force direction and wall body 3 horizontal, the most weak rigidity of wall body, has angle, if wall body headwall is without sleeper, suggestion increases vertical reinforcing bar, improve the force intensity that is subject at this position, it is that pad triangle wooden model forms that corner cut 4 is preferably in formwork, after form removal, snap the line is repaired smooth with cutting machine, avoid cutting completely afterwards, 3, precast plate 1 height is distributed equally by actual height, in 450-550, the few 3-4 of individual plates Length Ratio driven dimension, to control monolithic weight in 45 kilograms, is beneficial in temporary fixed, the double cooperation, frame of plate lower end and operates, 4, for guaranteeing high firm of the minimum 3-4m of precast plate 1, can be following several plate and plate, left and right arranges or is setting up and down, the connected mode of plate and wall body, consider that outside soil pressure takes into account inner concrete pressure and vibrating, need on-the-spot many people test of many times discussion to determine, can use by multiple combination simultaneously, whether be final selection: a: pre-buried welding-----is divided into the pre-buried iron plate of plate face and stretches out two kinds of modes of steel bar end if take convenient and reliable, with wall body 3 built-in fittings or reinforcing bar welding, pluses and minuses are firmly but trouble, do not advise adopting wall body and precast plate three hinges all to adopt the direct welding manner of embedded iron parts, reason is the sedimentation of unfavorable ater-casting, b: four jiaos of reserved diameter 6-8 of the colligation of boxing out----precast plate mould pipe preformed hole, notice that preformed hole is placed in outermost reinforcing bar inner side, the simplest mode is directly fixed with the colligation of 8# galvanized wire, 30 days ater-castings, available mortar levelling is antirust, and wall is in and the colligation of susceptor edge horizontal reinforcement, the mutual colligation of boring a hole of two plate junctions, notice that two plate adjacent holes all should fix to form integral body, can stretch into reinforcing bar brachycephaly, c: the bolt of boxing out----the mode of boxing out is the same at four jiaos, aperture changes 8-12 into, with using 6-8U type bolt, two open section screw threads, in insertion adjacent holes, the nut of riveting over adds thin billet, play fixation, pedestal place is upper and lower two holes, the mode that available porous backing plate bending and wall body socket, there are four holes of four blocks of plates at crown hinge place, how to take into account left and right and upper and lower, should become to attach most importance to, probably utilize hole, diagonal angle, U-shaped closed section adds and is welded into cross or steel sheet is made pad with identical footpath brachycephaly reinforcing bar, use thin plate, for at crown hinge place, backing plate is at external corner, after available nut screws, naturally bending, nut is interior or outer, please in-situ determination, d: the reinforcing bar back of the body draws----be mainly used in the outward pressure of interim fixing and balanced concrete while building, embedded bar ring in back when plate is prefabricated (or direct pre-buried galvanized wire), with straight reinforcing bar or galvanized wire colligation or welding or snap on the reinforcing bar of ater-casting, during shortcoming, may take inner chamber area, affect water pump placement and concrete and build, note avoiding.Be used in base ends better, e: special reinforced clamping----use 4-5 diameter reinforcement fabrication personality card, advantage is simple and convenient, 5, because of prefabricated plate body, building by laying bricks or stones is up and down highly 3-4 rice, connecting up and down of plate is another emphasis of engineering method success or failure, if handled well, above the 4th can only consider that level connection joint between two plates is fixed or temporary fixed, after backfill, Double-jointed board is relatively stable, so be one temporary fixed, but because there being the waterproof construction time, the backfill time is difficult to determine completely, so should there be suitable reliability, a: glue (cloud stone glue, locating glue, dry-hang glue), cost is high, does not know whether continuous construction has problem, as with cladding AB glue, cost is higher, and hardening time is long, certainly can not construct continuously, advantage is simple and convenient, and cloud stone glue or locating glue class are used in suggestion, can solidify the short time, cost is relatively lower, for the kind of concrete glue, consult the personnel of stone curtain wall aspect, more familiar, b: negative and positive connect or peg graft, plate upper and lower sides is reserved aperture, or one plate for boxing out, a plate is pre-buried short muscle, dark 10-20, insert 20-40 length reinforcing bar, diameter is approximately 8-12, and precast plate manufacture difficulty increases, high to pre-buried required precision, thickness of slab only 50 situation lower plate sides is boxed out, and it is fragile that process is moved in making, c: precast plate overlaps up and down, divide two kinds of modes, toe joint and dovetail connect, toe joint plate upper and lower sides is made concavo-convex, available 36# angle steel the is endways side form of doing, the male and fomale(M&F) of upper and lower plates is done respectively at negative and positive angle, shortcoming is 50 thick positions, concave surface acute angle position reinforcing bar is difficult to stretch into and is thin, make and move rapid wear, as large in other modified shape molding difficulty, convenient not, dovetail connects, at top and bottom diverse location rightabout, respectively cut an angle, two limit 1/3-4 of plate, opposite direction, stay right-angle side 6-10mm, angle 30 degree, cut wedge angle by 10-15 degree, stay right-angle side limit mould more complicated, two kinds of overlap joints note adopting lapping direction, left and right can not be exchanged upset and use, because there is corner cut direction, or concavo-convex problem, pedestal corner cut acute angle suitable for reading outside, reinforcement location is interior, after bottom fixes, during interim placement upper board, the most unsettled, so upper board slope aspect reason is interior cunning, but past by pedestal card, with upper type, greatest problem is that upper and lower sides structure of transvers plate is complicated, can only do the template of shaping, if 6 precast plate faces are smooth without ridge, can be only to handing over seam crossing to flatten processing.If any reinforcing bar or steel wire, surpass plate face, answer the local levelling of integral body or seam crossing to prevent from scratching coiled material, it is circular-arc that levelling should become, and facilitates coiled material to paste.The levelling of wall body is pressed at pedestal place, and with 100 radius arc to extending to smooth-going overlap joint in precast plate.Because of the reason of flexible and sedimentation, the waterproof of suggestion ater-casting is used waterproof coiled material, three hinges, and two pedestal one crown hinges, the double-deck coiled material in position, its hollow paving 150, peripheral hardware waterproofing protection benzene plate, can prevent from, because of flexible and sedimentation, the destruction of waterproofing course is reduced to minimum.
If this specific embodiment is made real arch, precast plate becomes curve, prefabricated inconvenience, thus be actually three-pin rigid frame, but stressed basic identical with three hinged arch frame, compare curve arch, straight-bar also has larger moment of flexure.Loading characteristic is that pedestal has horizontal thrust, and palette maximal bending moment is much smaller than the simply supported beam of identical span and load-bearing, and this provides possibility in order to reduce thickness of slab, arch camber also has a benefit to be, gear soil, draining one, inner chamber has certain space, can put into water pump and Commercial Concrete flexible pipe directly into mould.Plate and wall body ater-casting are angled, and plate end, on border, ater-casting, can adopt variety of way to connect on inner chamber, reduces outer connection, does not affect outside waterproof.Precast plate can be boxed out, embedded iron, muscle, can supply colligation, weld, is spirally connected, convenient, flexible, connects reliable.Because the prefabricated arch camber of two plates connects, veneer span is little, moment of flexure is little, make plate thickness little, can make veneer height do height, improve work efficiency and integral body, Two bors d's oeuveres arch bar also has because three hinge features do not affect the flexible of ater-casting, if use colligation or screw rod (having space with screw) fixed form, also can not affect sedimentation.If use welding, colligation or screw rod for crown hinge, do not affect sedimentation yet, and pedestal is in end limit, ater-casting, if the steel bar end welding with being embedded in wall body ater-casting middle part, does not affect sedimentation yet, and differential settlement is dispersed in three hinges and (compares above three kinds of schemes, differential settlement may be concentrated support edges), sedimentation is minimum to the destruction of waterproof.Using flexibly, is the maximum feature of Two bors d's oeuveres arch bar.
This specific embodiment is calculated native pressure, need to check thickness and the arrangement of reinforcement of prefabricated baffle plate, is therefore divided into two parts and calculates.Different because of soil property situation, groundwater table has height, therefore provides the calculating of a Jinhua Region geological condition here, and a reference is provided.Detailed programs, also should calculate separately, to ensure safety.Because basement post-pouring zone breast boards is an interim facility, after has built ater-casting, complete the effect of gear soil.By the flexible ater-casting time of standard, surpass and can build for 30 days, consider external wall waterproof construction, in one or two months, should finish the work.Pouring after settlement just can be built after wanting main body to complete, and this time is difficult to estimate, if the Super High of nearly hundred meters, time that might be one year.Even if we considered by 2 years, structure is also significantly smaller than 50 years service lives of formal building structure service time, conventionally can more than ten month.Consider above factor, we adopt following calculating hypothesis:
1. press cohesive soil, adopt active earth pressure, by bright golden formulae for earth pressure, calculate, meet design conditions: the wall back of the body is vertically smooth, the face level of banketing.
2. groundwater table is below grade two meters.
3. basement height is containing base plate by 4 meters, and the temporary transient consideration of backfill is back to the original soil under Construction State, and the indoor discrepancy in elevation is by 0.5 meter, and gear soil is highly 3.5 meters.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (1)
1. the construction process of basement post-pouring zone Two bors d's oeuveres arch bar concrete barricade, is characterized in that: its construction process is:
(1), size is drawn the middle circle (2) of two precast plates (1) first routinely;
(2), wall body (3) outside corner cut (4) is for to (1) bearing of precast plate, corner cut (4) is less than or equal to 45 degree by outside, right-angle side and outside concrete cover are isometric, form a wedge shape with the precast plate (1) at right angle, be subject to after soil pressure, more crowded tighter, and be subject to force direction and wall body (3) laterally, the most weak rigidity of wall body, has angle;
(3), precast plate (1) height is distributed equally by actual height,, in 450-550, the few 3-4 of individual plates Length Ratio driven dimension, to control monolithic weight in 45 kilograms;
(4), for guaranteeing high firm of the minimum 3-4m of precast plate (1), can be following several plate and plate, left and right arranges or is setting up and down, the connected mode of plate and wall body, consider that outside soil pressure takes into account inner concrete pressure and vibrating, need on-the-spot many people test of many times discussion to determine, can use by multiple combination simultaneously, whether be final selection: (a) if take convenient and reliable: pre-buried welding-be divided into the pre-buried iron plate of plate face and stretch out two kinds of modes of steel bar end, with wall body (3) built-in fitting or reinforcing bar welding, (b): four jiaos of reserved diameter 6-8 of the colligation of boxing out----precast plate mould pipe preformed hole, notice that preformed hole is placed in outermost reinforcing bar inner side, the simplest mode is directly fixed with the colligation of 8# galvanized wire, 30 days ater-castings, available mortar levelling is antirust, and wall is in and the colligation of susceptor edge horizontal reinforcement, the mutual colligation of boring a hole of two plate junctions, notice that two plate adjacent holes all should fix to form integral body, can stretch into reinforcing bar brachycephaly, (c): the bolt of boxing out----the mode of boxing out is the same at four jiaos, aperture changes 8-12 into, with using 6-8U type bolt, two open section screw threads, in insertion adjacent holes, the nut of riveting over adds thin billet, play fixation, pedestal place is upper and lower two holes, the mode that available porous backing plate bending and wall body socket, there are four holes of four blocks of plates at crown hinge place, how to take into account left and right and upper and lower, should become to attach most importance to, probably utilize hole, diagonal angle, U-shaped closed section adds and is welded into cross or steel sheet is made pad with identical footpath brachycephaly reinforcing bar, use thin plate, for at crown hinge place, backing plate is at external corner, after available nut screws, naturally bending, nut is interior or outer, please in-situ determination, (d): the reinforcing bar back of the body draws, be mainly used in the outward pressure of interim fixing and balanced concrete while building, embedded bar ring in back when plate is prefabricated, with straight reinforcing bar or galvanized wire colligation or welding or snap on the reinforcing bar of ater-casting, (e): special reinforced clamping, with 4-5 diameter reinforcement fabrication personality card,
(5), because of prefabricated plate body, building by laying bricks or stones is up and down highly 3-4 rice, connecting up and down of plate is another emphasis of engineering method success or failure, if handled well, above the 4th can only consider that level connection joint between two plates is fixed or temporary fixed, after backfill, Double-jointed board is relatively stable, so be one temporary fixed, but because there being the waterproof construction time, the backfill time is difficult to determine completely, so should there be suitable reliability, (a): glue, cost is high, does not know whether continuous construction has problem, and as with cladding AB glue, cost is higher, and hardening time is long, certainly can not construct continuously, (b): negative and positive connect or peg graft, plate upper and lower sides is reserved aperture, or one plate for boxing out, a plate is pre-buried short muscle, dark 10-20, insert 20-40 length reinforcing bar, diameter is approximately 8-12, and precast plate manufacture difficulty increases, high to pre-buried required precision, thickness of slab only 50 situation lower plate sides is boxed out, and it is fragile that process is moved in making, (c): precast plate overlaps up and down, divide two kinds of modes, toe joint and dovetail connect, toe joint plate upper and lower sides is made concavo-convex, available 36# angle steel the is endways side form of doing, the male and fomale(M&F) of upper and lower plates is done respectively at negative and positive angle, dovetail connects, at top and bottom diverse location rightabout, respectively cut an angle, two limit 1/3-4 of plate, opposite direction, stay right-angle side 6-10mm, angle 30 degree, cut wedge angle by 10-15 degree, stay right-angle side limit mould more complicated, two kinds of overlap joints note adopting lapping direction, left and right can not be exchanged upset and use, because there is corner cut direction, or concavo-convex problem, pedestal corner cut acute angle suitable for reading outside, reinforcement location is interior, after bottom fixes, during interim placement upper board, the most unsettled, so upper board slope aspect reason is interior cunning, but past by pedestal card, with upper type, greatest problem is that upper and lower sides structure of transvers plate is complicated, can only do the template of shaping,
(6) if precast plate face is smooth without ridge, can if any reinforcing bar or steel wire, surpass plate face only to handing over seam crossing to flatten processing, answer the local levelling of integral body or seam crossing to prevent from scratching coiled material, it is circular-arc that levelling should become, and facilitates coiled material to paste.The levelling of wall body is pressed at pedestal place, and with 100 radius arc to extending to smooth-going overlap joint in precast plate.Because of the reason of flexible and sedimentation, the waterproof of suggestion ater-casting is used waterproof coiled material, three hinges, and two pedestal one crown hinges, the double-deck coiled material in position, its hollow paving 150, peripheral hardware waterproofing protection benzene plate, can prevent from, because of flexible and sedimentation, the destruction of waterproofing course is reduced to minimum.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991217A (en) * | 2022-06-28 | 2022-09-02 | 中国建筑第七工程局有限公司 | Basement post-cast strip advanced sealing structure, basement post-cast strip advanced sealing mould and basement post-cast strip advanced sealing construction method |
| CN114991217B (en) * | 2022-06-28 | 2024-04-26 | 中国建筑第七工程局有限公司 | Structure and die for pre-closing basement post-pouring belt and construction method |
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| CN103195102A (en) * | 2013-04-23 | 2013-07-10 | 中建七局第二建筑有限公司 | Post-cast strip form support structure and method for underground waterproof shear walls |
| CN203361206U (en) * | 2013-07-05 | 2013-12-25 | 浙江宝厦建设有限公司 | Basement advanced water-stop post-cast strip construction structure |
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| CN101696580A (en) * | 2009-10-23 | 2010-04-21 | 中冶京唐建设有限公司 | Outboard template construction method of post-pouring belt of outer wall of underground structure |
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| CN203034494U (en) * | 2012-12-24 | 2013-07-03 | 浙江天力建设集团有限公司 | Water draining structure for basement bottom plate back watering belt |
| CN103195102A (en) * | 2013-04-23 | 2013-07-10 | 中建七局第二建筑有限公司 | Post-cast strip form support structure and method for underground waterproof shear walls |
| CN203361206U (en) * | 2013-07-05 | 2013-12-25 | 浙江宝厦建设有限公司 | Basement advanced water-stop post-cast strip construction structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991217A (en) * | 2022-06-28 | 2022-09-02 | 中国建筑第七工程局有限公司 | Basement post-cast strip advanced sealing structure, basement post-cast strip advanced sealing mould and basement post-cast strip advanced sealing construction method |
| CN114991217B (en) * | 2022-06-28 | 2024-04-26 | 中国建筑第七工程局有限公司 | Structure and die for pre-closing basement post-pouring belt and construction method |
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