CN113027073A - Modular concrete elevator shaft way with balcony and construction method - Google Patents

Abstract

A modular concrete elevator shaft with a balcony and a construction method thereof are disclosed, wherein the shaft is assembled on a foundation cushion and a foundation raft cast in situ, and comprises a foundation section module combination, a first-layer section module combination, a standard section module combination and a top-layer section module combination according to the sequence from bottom to top; each module combination comprises a left-side entry balcony module, an elevator shaft module and a right-side entry balcony module, and each module is a reinforced concrete prefabricated component; the elevator shaft module at least comprises a shaft room for installing an elevator, and the shaft room of each module is spliced and communicated up and down to form a complete elevator shaft; the upper end surface and the lower end surface of the module combination are fixed by adopting a positioning key bolt combination; the wall surface splicing between the modules contained in the module combination is fixedly connected by adopting an embedded part and a connecting part. The method has the beneficial technical effects of realizing flat-layer house entry, reducing potential safety hazards in construction, shortening construction period and reducing construction cost.

Description

Modular concrete elevator shaft way with balcony and construction method

Technical Field

The invention relates to the field of constructional engineering, in particular to the engineering of additionally installing an elevator behind an old building, and particularly relates to a modular concrete elevator shaft with a balcony and a construction method.

Background

The multi-storey buildings built from the 50 th century to the 90 th century have no elevator equipment, and the residents in the multi-storey buildings become more serious as the buildings become more aged and the old people are forbidden to go upstairs and downstairs daily, and the travel of the residents who are weak or need to use wheelchairs is more difficult.

With the deep aging of cities, the demand of common people for good life is continuously improved, the addition of elevators to old buildings becomes a great 'just need', old districts with huge storage in cities and towns in China are subjected to the decision of whether to add elevators or not, and the amount of engineering is huge.

At present, the additionally installed elevator is basically located on the outer side of an original staircase room of an old building, and a floor door of the elevator is connected with a platform in the middle of the staircase room by arranging a door opening on the wall of the staircase room. Because the elevator after loading can not be connected with the floor platform where the entrance door is located, a user has to go up or down half-floor stair sections after going upstairs by taking the elevator. It is still inconvenient for the handicapped, especially for the people who need to sit on the wheelchair.

The general area of old and useless building is on the small side, and in the construction process is reformed transform to the elevator of actual old and useless building, old district resident has very big demand to increasing the residential area, and partly old building does not have the balcony or the balcony has had serious potential safety hazard simultaneously, installs additional at the elevator and reforms transform the demand that the in-process also has the synchronous elimination balcony potential safety hazard.

The elevator shaft can only be installed again outside the outer wall when the elevator is installed in the old house, the traditional method is that the required elevator shaft is manufactured by adopting a mode of formwork supporting integration cast-in-place or steel structure field assembly, but the existing construction mode has the problems of large construction potential safety hazard, long construction period and high construction cost, and meanwhile, the use area of the old building can not be increased, so that the elevator shaft optimization design required by installing the elevator in the later stage is particularly important and urgent.

Disclosure of Invention

The invention aims to solve the technical problems of realizing flat-layer house entry and adding a house entry balcony.

Meanwhile, the invention aims to solve the engineering problems of reducing the potential safety hazard of construction, shortening the construction period and reducing the construction cost.

Furthermore, the invention also discloses a construction method for solving the problem that the existing building needs to be locally increased in area.

According to construction conditions, structural characteristics and actual requirements of residents of the existing old building, from the conception of modular design, factory production and on-site building block type assembly, the invention provides a modular concrete elevator shaft with a balcony, which solves the problem of flat-layer house-entry through house-entry balconies on the left side and the right side.

The first level section module combination has a door for access.

The top layer section module combination is provided with a louver for heat dissipation.

Each module combination comprises at least three modules, wherein at least one module comprises a hoistway room for installing an elevator, and the hoistway rooms of the modules are spliced up and down to form a complete elevator hoistway; the first-layer section module combination, the standard section module combination and the top-layer section module combination are also provided with a house-entering balcony which is used for communicating the main building with the aisles between the shafts and the left side and the right side of the house-entering balcony for realizing flat-layer house-entering.

All the modules are reinforced concrete prefabricated components.

The foundation bed course is a flat concrete pouring layer, the basic raft is poured on the foundation bed course, and the upper end surface of the basic raft is provided with embedded bolts used for connecting and fixing the foundation section module combination. The raft prefabricated groove is used for grouting and sealing after positioning and installation of the foundation section modules is completed, a plurality of adjusting gaskets are configured on the embedded bolts, and leveling of the foundation section module combined installation plane is achieved by adjusting the using number of the adjusting gaskets on each embedded bolt. The size of the foundation cushion is determined according to the geological conditions of a specific construction site and the conditions of the existing buildings, and the foundation cushion is manufactured and constructed by adopting a cast-in-place method.

The basic section module combination comprises a basic section shaft module for forming an elevator shaft, a basic section left side balcony module and a basic section right side balcony module for realizing flat-layer entrance,

further, the basic section well module is provided with a pipeline route reserved for the reconstruction and displacement of the original underground pipeline of the main building.

The first floor section module combination comprises a first floor section shaft module for forming an elevator shaft, a first floor section left side balcony module and a first floor section right side balcony module for realizing flat floor entrance.

The standard section module combination comprises a standard section shaft module for forming an elevator shaft, a standard section left balcony module and a standard section right balcony module for realizing flat-layer house entry.

The top floor section module combination comprises a standard section shaft module and a top floor section shaft module which are used for forming an elevator shaft, and a top floor section left side balcony module and a top floor section right side balcony module which are used for realizing flat floor entrance.

The module is provided with a waterproof notch at the outer edge of the upper end of the side wall, and the module is correspondingly provided with a waterproof convex edge matched with the waterproof notch at the outer edge of the lower end of the side wall, so that when the modules are assembled together, the horizontal joint positions of the adjacent modules form an upper module covering a lower module on the outer wall of the wall body, and the inner side of the upper end surface of the lower module is of a downward-convex water retaining wall structure. .

The upper end surface and the lower end surface of the module combination are fixed by adopting a positioning key bolt combination, the positioning key bolt combination comprises a shear resistant positioning key and a tensile resistant embedded bolt, and the positioning key is matched by a positioning key groove arranged on the lower end surface of one module and a positioning key bulge arranged on the upper end surface of the other module to form a shear resistant positioning key; the embedded bolt connection is formed by matching an embedded bolt arranged on the upper end face of the module and a prefabricated bolt hole which is arranged on the lower end face of the other module and is provided with a connecting box. The connecting box of the prefabricated bolt holes is located on the inner surface of the peripheral side wall, and the lower edge of the connecting box is higher than the upper surface of the module bottom plate, so that the embedded bolts are conveniently disassembled and assembled by using tools.

The positioning key protrusion and the positioning key groove are of a trapezoidal structure with a small top and a large bottom, so that automatic guiding during assembling is realized, quick assembling and accurate positioning are realized, and assembling efficiency and precision are guaranteed.

Further, the connecting box is a pre-buried U-shaped connection preset member in the concrete module lateral wall, and includes that the bottom surface is straight and both sides right angle is buckled or welded U-shaped bottom plate and is fixed in two or many of the shape of falling the U-shaped anchor bars in the connecting box outside, U-shaped bottom plate bottom surface has the bolt via hole, and its box edge is less than the concrete surface so that use concrete seals. The effect of connecting box removes the operating space of constructing the installation nut, more importantly through the pressure dispersion of U-shaped bottom plate with the nut, avoids the destruction to the component that concrete locking stress concentration caused. The anchor bars are used for realizing anchoring connection between the U-shaped bottom plate and concrete and also have a reinforcing effect.

The wall surface splicing between the modules contained in the module combination is fixedly connected by adopting an embedded part and a connecting part.

The inner spaces of the basic section elevator well module, the first layer electricity-saving elevator well module, the standard electricity-saving elevator well module and the top layer electricity-saving elevator well module comprise a well room and a passageway room, and elevator door openings are formed among the well rooms of the first layer electricity-saving elevator well module, the standard electricity-saving elevator well module and the top layer electricity-saving elevator well module and among the passageway rooms.

At least four hoisting points are symmetrically prefabricated on the upper end faces of the peripheral side walls of all the modules, the hoisting points sink below the upper end face, and the number of the hoisting points is preferably six.

The side walls of the well rooms of the basic section elevator well module, the first layer electricity-saving elevator well way module, the standard electricity-saving elevator well way module and the top layer electricity-saving elevator well way module are preset with preset nuts or prefabricated fixing pieces for installing relevant electromechanical equipment of the elevator.

The basic section module combination comprises a basic section elevator shaft module, a basic section left-side entering balcony module arranged on the left side of the basic section elevator shaft module and a basic section right-side entering balcony module arranged on the right side of the basic section elevator shaft module.

Further, the lower terminal surface of basic section elevator well module is sealed, the up end opening, and its middle part has the partition wall, and its preceding lateral wall up end outside border department that is in the module combination inboard has and is used for the location to bear the support step of bottom plate between the passageway, and its trilateral lateral wall down terminal surface that is in the outside sets up the prefabricated bolt hole that has the connecting box, trilateral lateral wall up end has positioning key recess, buried bolt in advance, waterproof notch and hoist and mount point.

Furthermore, the balcony module upper end opening of registering one's residence in the left side of basic festival, rear side, left side and right side lateral wall up end have and have positioning key recess, buried bolt in advance and hoist and mount point, and its left side that is in the outside and rear wall up end epitaxy have be used for preventing the waterproof notch that the rainwater got into, and its right side wall upper end outer fringe that is in the inboard has and is used for the location to bear the support step of passageway floor, the rear side of basic festival left side registering one's residence balcony module, left side and right side lateral wall down end face have positioning key recess and have the prefabricated bolt hole of connecting box, its left side that is in the outside and the lower extreme off-plate border department of rear wall have with waterproof notch matched with waterproof protruding edge.

Furthermore, the balcony module that registers one's residence on the right side of basic festival and the balcony module that registers one's residence on the left side of above-mentioned basic festival set up symmetrically in structure.

The first floor section module combination comprises a first floor section elevator shaft module, a first floor section left-side entering balcony module arranged on the left side of the first floor section elevator shaft module and a first floor section right-side entering balcony module arranged on the right side of the first floor section elevator shaft module.

Furthermore, the first-floor elevator shaft module is divided into a shaft room for installing an elevator and a passageway room for passing personnel by a middle partition wall, the middle part of the partition wall is provided with an elevator door opening which is communicated, the shaft room is opened and communicated up and down, the bottom of the passageway room is closed, and the upper end surface and the front side surface of the passageway room are opened; the lower end face of the three side walls, which is positioned on the outer side, of the side wall is provided with a positioning key groove, a prefabricated bolt hole with a connecting box and a waterproof convex edge, and the upper end face of the three side walls, which is positioned on the outer side, of the side wall is provided with a positioning key bulge, a pre-embedded bolt, a waterproof notch and a hoisting point.

Further, first floor section left side balcony module upper end and the preceding side opening of registering one's residence, its three-sided wall up end have the navigation key arch, buried bolt in advance and hoist and mount point, its left side that is in the outside and rear wall up end outside border have the waterproof notch that prevents the rainwater entering, its three-sided lateral wall down end has the navigation key recess and has the prefabricated bolt hole of connecting box, its left side that is in the outside and rear wall down end outside border have waterproof protruding edge, its wall that is in the outside has the window that is used for daylighting ventilation.

Furthermore, the balcony module that registers one's residence on first floor festival right side and the aforesaid balcony module that registers one's residence on first floor festival left side structure symmetry set up.

Furthermore, the right edge of the rear side wall of the left household-entering balcony module of the first floor section is connected with the front end of the left side wall of the electricity-saving elevator shaft way module of the first floor, and the left edge of the rear side wall of the right household-entering balcony module of the first floor section is connected with the front end of the right side wall of the electricity-saving elevator shaft way module of the first floor.

The standard section module combination comprises a standard section elevator shaft module, a standard section left-side entering balcony module arranged on the left side of the standard section elevator shaft module and a standard section right-side entering balcony module arranged on the right side of the standard section elevator shaft module.

Furthermore, the standard electricity-saving elevator shaft module is divided into a shaft room for installing an elevator and a passage room for passing personnel by a middle partition wall, the middle part of the partition wall is provided with an elevator door opening which is communicated, the shaft room is opened and communicated up and down, the bottom of the passage room is closed, and the upper end surface and the front side surface of the passage room are opened; the standard electricity-saving elevator shaft way module is characterized in that the lower end faces of three side walls of the standard electricity-saving elevator shaft way module are provided with positioning key grooves, prefabricated bolt holes with connecting boxes and waterproof convex edges, and the upper end faces of the three side walls of the standard electricity-saving elevator shaft way module are provided with positioning key protrusions, embedded bolts, waterproof notches and hoisting points.

Furthermore, standard festival left side balcony module upper end and the leading flank opening of registering one's residence, its three-sided wall up end have the navigation key arch, buried bolt in advance and hoist and mount point, its left side that is in the outside and rear wall up end outside border have the waterproof notch that prevents the rainwater entering, its three-sided lateral wall down end has the navigation key recess and has the prefabricated bolt hole of connecting box, its left side that is in the outside and rear wall down end outside border have waterproof protruding edge, it has the window that is used for daylighting ventilation on being in the wall in the outside.

Furthermore, the balcony module of registering one's residence on the right side of the standard festival and the balcony module of registering one's residence on the left side of the standard festival are symmetrically arranged.

Furthermore, the right edge of the rear side wall of the left household balcony module of the standard joint is connected with the front end of the left side wall of the standard electricity-saving elevator shaft way module, and the left edge of the rear side wall of the right household balcony module of the standard joint is connected with the front end of the right side wall of the standard electricity-saving elevator shaft way module.

The top layer section module combination comprises a top layer electricity-saving elevator shaft channel module, a standard section elevator shaft channel module below the top layer electricity-saving elevator shaft channel module, a top layer section left-side entering balcony module installed on the left side of the standard electricity-saving elevator shaft channel module and a top layer section right-side entering balcony module installed on the right side of the standard section elevator shaft module.

Furthermore, the elevator shaft module of the top floor section is divided into a shaft room for installing an elevator and a passageway room for people to pass through by a middle partition wall, the middle part of the partition wall is provided with an elevator door opening which is communicated, the upper end of the shaft room is closed, the lower end of the shaft room is opened, the bottom of the passageway room is closed, and the upper end surface and the lower end surface of the passageway room are closed; the standard electricity-saving elevator shaft module is characterized in that the lower end faces of three side walls, located on the outer side, of the standard electricity-saving elevator shaft module are provided with positioning key grooves, prefabricated bolt holes with connecting boxes and waterproof convex edges, and the upper end face of the top-layer electricity-saving elevator shaft module is provided with a prefabricated waterproof roof, a drain hole and a hoisting point.

Furthermore, prefabricated waterproof roof of balcony module top surface and hoist and mount point are gone into to one's residence in top layer festival left side, and its front side opening, its trilateral lateral wall lower extreme face in addition has the positioning key recess and has the prefabricated bolt hole of connecting box, and its left side that is in the outside and rear wall lower extreme face outside border have waterproof protruding edge, have the window that is used for daylighting ventilation on its wall that is in the outside.

Furthermore, the balcony module that registers one's residence on top layer festival right side and the balcony module that registers one's residence on top layer festival left side structure symmetry sets up.

Furthermore, the right edge of the rear side wall of the left household-entering balcony module of the top layer section is connected with the front end of the left side wall of the standard electricity-saving elevator shaft way module, and the left edge of the rear side wall of the right household-entering balcony module of the top layer section is connected with the front end of the right side wall of the standard electricity-saving elevator shaft way module.

Furthermore, a prefabricated roof plate for sealing and shielding rain is arranged between the left-side entering balcony module of the top layer section and the right-side entering balcony module of the top layer section,

furthermore, a rainwater outlet is formed in the front side, close to the main building direction, of the prefabricated roof of the top-floor elevator shaft module, and a rainwater collecting pipe used for discharging rainwater onto the roof of the main building is installed at the rainwater outlet.

Further, an air conditioner bracket for preventing an air conditioner outdoor unit is installed at an outer side of each of the balcony modules.

A construction method of a modular concrete elevator shaft with a balcony comprises the following specific processes:

1) arranging an elevator passageway door opening at the corresponding position of each floor of the old main building;

2) excavating a foundation gallery, pouring a foundation cushion layer and a foundation raft, and prefabricating embedded bolts on the upper surface of the foundation raft;

3) elastic line positioning is carried out on the top surfaces of the basic raft plates; rechecking the position and the length of the embedded bolt, and cleaning the embedded bolt;

measuring the elevation and arranging a cushion block;

4) hoisting the foundation section module combination: paving mortar on the basic raft plate to be slightly higher than the upper surface of the cushion block, then sequentially hoisting a basic section elevator shaft module, a basic section left-side entering balcony module and a basic section right-side entering balcony module which are included in the basic section module combination, and extruding a part of the paving mortar from two sides of the wall after the basic section module combination is hoisted in place; and installing the side wall splicing seam connecting piece between the modules in place and completing the fixation. Mounting nuts of all embedded bolts in the foundation section module combination and primarily screwing, mounting a gasket and the nuts on each embedded bolt through a connecting box inside the peripheral side wall, and screwing to a torque value specified by design by using a tool;

5) hoisting a first-layer section module combination, a hoisting standard section module combination and a top-layer section module combination: after mortar between the foundation section module combination and a foundation raft plate reaches a certain strength, coating special seam glue on a seam on the upper surface of the module combination, continuously hoisting a first-layer section module combination, a hoisting standard section module combination and a top-layer section module combination, correctly aligning a positioning key groove, a prefabricated bolt hole and a waterproof convex edge of the lower end surface of each module with a positioning key bulge, an embedded bolt and a waterproof notch on the upper end surface of a lower module, falling and placing in place, installing a nut and initially screwing, installing a gasket and a nut on each embedded bolt through a connecting box inside the peripheral side wall, screwing by using a tool to a torque value specified by design, and installing an inter-module side wall splicing connecting piece in place and completing fixation;

6) and (4) finishing installation: after all modules are assembled and installed, the embedded bolts are finally screwed layer by layer from top to bottom, gaskets and nuts are installed on the embedded bolts through connecting boxes inside the peripheral side walls, and tools are used for screwing the embedded bolts to a designed and specified torque value to complete installation;

7) and (3) later-stage working procedures: and sealing all the connecting boxes, processing the expansion joints between the connecting boxes and the main building, and installing expansion joint pinch plates in the expansion gaps reserved between each module combination and the main building.

In summary, the invention has the following beneficial technical effects:

1. the elevator flat floor is realized: the elevator flat floor entry is realized by additionally arranging the left entry balcony and the right entry balcony, and meanwhile, the living area of the resident is increased;

2. reduce the potential safety hazard of construction: the prefabricated reinforced concrete components are produced in a modularized manner in a factory, and combined in a building block type hoisting manner on site, so that the underground foundation bed course and the basic raft need to be cast and maintained on site, and anhydrous and open-fire-free construction is realized in the installation construction of all modules in the invention, so that the potential safety hazard on site is greatly reduced;

3. the construction period is shortened: modularized design, batch production processing and modular on-site assembly can shorten on-site operation time greatly, greatly reduced the influence to the resident:

4. the construction cost is reduced: the factory batch processing can obviously reduce the manufacturing cost, and the building block type field assembly can obviously reduce the labor cost of field construction, thereby integrally reducing the construction cost.

Drawings

FIG. 1 is an assembly view of the present invention.

Fig. 2 is a schematic perspective view of a basic raft in accordance with the present invention.

FIG. 3 is a schematic structural diagram of a basic node module assembly according to the present invention.

FIG. 4 is a schematic view of a bottom view of the base segment module assembly of the present invention.

FIG. 5 is a schematic structural diagram of a first-level segment module assembly according to the present invention.

Fig. 6 is a schematic view of the structure of the first layer module assembly at the lower viewing angle.

FIG. 7 is a schematic structural diagram of a standard section module assembly according to the present invention.

FIG. 8 is a schematic view of the structure of the standard section module assembly of the present invention from a lower perspective.

Fig. 9 is a schematic structural view of the top layer segment module assembly of the present invention.

FIG. 10 is a schematic view of the structure of FIG. 9 rotated by 180 degrees according to the present invention.

Fig. 11 is a structural diagram of a top-layer electricity-saving elevator shaft way module in the invention after top section cutting.

FIG. 12 is an assembled view of FIG. 1 rotated horizontally by 180 degrees according to the present invention.

Fig. 13 is a perspective view of the junction box of the present invention.

Fig. 14 is a sectional view schematically showing the assembled state of the connection box of the present invention.

Fig. 15 is a cross-sectional view a-a of fig. 14 in accordance with the present invention.

In the figure: 1. the building comprises a foundation cushion layer, 2 basic raft plates, 3 hardened ramps, 4 air conditioner racks, 5 rain shields, 6 basic section module combinations, 7 first-layer section module combinations, 8 standard section module combinations, 9 top-layer section module combinations, 10 unit doors, 11 windows, 12 shutters, 13 main building, 14 aisle rooms, 15 hoistway rooms, 16 embedded bolts, 17 connecting plates, 18 nuts, 19 connecting boxes, 20 aisle room floor slabs, 21 embedded bolts, 22 prefabricated bolt holes, 23 positioning key grooves, 24 waterproof notches, 25 hoisting points, 26 positioning key bulges, 27 waterproof convex edges, 28 elevator door holes, 29 entrance doors, 30 positioning notches, 31 wall reinforcing steel bars, 32 adjusting gaskets, 61 basic section elevator hoistway modules, 62 basic left-side entrance balcony modules, 63 basic right-side entrance balcony modules, 71. the building comprises a first floor electricity-saving elevator shaft way module, a 72 first floor section left-side entry balcony module, a 73 first floor section right-side entry balcony module, an 81 standard electricity-saving elevator shaft way module, an 82 standard section left-side entry balcony module, an 83 standard section right-side entry balcony module, a 91 top floor electricity-saving elevator shaft way module, a 92 top floor section left-side entry balcony module, a 93 top floor section right-side entry balcony module, a 94 prefabricated roof slab, a 131 foundation, a 191U-shaped bottom plate, a 192 anchor bar, a 193 bolt through hole, 194 filler, 201 raft prefabricated grooves, 211 nuts, 212 gaskets, 601 inclined planes, 611 partition walls, 612 pipeline routes, 613 support steps, 621 support steps, 711 partition walls, 811, 911, 912, drain holes, 913, prefabricated roofs, 914 drain pipes, partition machine beams, 916 protective partition walls, 921 and 915,

Detailed Description

The following further description of the embodiments with reference to fig. 1-12 and the specific examples is provided to facilitate the understanding of the present invention.

As shown in fig. 1, a modular concrete shaft with balcony is assembled and installed on a foundation bed course 1 and a foundation raft 2 poured in situ, and comprises a foundation section module combination 6 connected with the foundation raft 2, a first floor section module combination 7 connected with the foundation section module combination 6, a standard section module combination 8 connected with the first floor section module combination 7, and a top floor section module combination 9 connected with the standard section module combination 8, wherein each module combination comprises at least three modules, at least one module comprises a shaft room 15 for installing an elevator, the shaft rooms 15 of the modules are spliced up and down to form a complete elevator shaft, the first floor section module combination 7, the standard section module combination 8 and the top floor section module combination 9 are also provided with a shaft room 14 communicating a main building 13 with the shaft room 15, all the modules are reinforced concrete prefabricated components.

The first-layer section module combination 7 is provided with a unit door 10 for personnel to enter and exit, the outer side ground of the unit door 10 is provided with a hardening ramp 3, and a rain shielding plate 5 is arranged above the outer side of the unit door 10.

The outer side walls of the first-layer section module combination 7, the standard section module combination 8 and the top-layer section module combination 9 are provided with windows 11 for ventilation and lighting and air conditioner frames 4 for placing air conditioner outdoor units.

The top level section module assembly 9 has louvers for heat dissipation and ventilation.

For convenience and accuracy of description, the direction of the modular balcony concrete elevator shaft toward the main building 13 is taken as a front direction.

As shown in fig. 1 and 2, the foundation bed course 1 is a T-shaped flat concrete casting layer, the basic raft 2 is cast on the foundation bed course 1, and is a boss with a T-shaped shape, and the upper end surface of the boss is provided with embedded bolts 21 for connecting and fixing the foundation section module combination 6. The distribution area of the embedded bolts 21 is provided with a raft prefabricated groove 201, the raft prefabricated groove 201 is used for grouting and sealing after the foundation section module 3 is positioned and installed, a plurality of adjusting gaskets 32 are configured on the embedded bolts 16, and the leveling of the installation plane of the foundation section module combination 6 is realized by adjusting the using number of the adjusting gaskets 32 on each embedded bolt 21. The size of the foundation cushion layer 1 is determined according to the geological conditions of a specific construction site and the conditions of the existing buildings, and the foundation cushion layer is manufactured and constructed by adopting a cast-in-place method.

As shown in fig. 3 and 4, the basic-section module assembly 6 includes a basic-section elevator shaft module 61, a basic-section left-side entry balcony module 62 installed on the left side of the basic-section elevator shaft module 61, a basic-section right-side entry balcony module 63 installed on the right side of the basic-section elevator shaft module 61, and an inter-aisle floor 20 installed between the three modules, wherein the inter-aisle floor 20 is common in each module assembly or each floor, and the inter-aisle floor 20 is disassembled and translated to one side in fig. 3 for clarity of illustration of the inter-aisle floor 20 and the bearing positioning structure of the three modules.

Further, the lower end face of the basic section elevator well module 61 is closed, the upper end face is open, a partition wall 611 is arranged in the middle of the partition wall, one side of the partition wall, which is far away from the main building 13, is a well room 15 for installing an elevator, a pipeline route 612 for changing an old pipeline of the main building 13 is arranged in the space on the other side of the partition wall 611, a supporting step 613 for positioning and bearing the floor 20 between the aisles is arranged at the outer edge of the upper end face of the front side wall of the partition wall, a prefabricated bolt hole 22 with a connecting box 19 is arranged on the lower end face of three side walls on the outer side of the partition wall, a positioning key protrusion 23, a pre-embedded bolt 21 and a waterproof notch 24 are arranged on the upper end face of the side wall.

Further, the balcony module 62 upper end opening and the bottom of registering one's residence in the left side of foundation festival seals, and its rear side, left side and right side lateral wall up end have the location key protruding 23 and buried bolt 21 in advance, six hoisting points 25 of its four sides wall up end equipartition, and its left side that is in the outside and rear side wall up end outer edge have be used for preventing the waterproof notch 24 that the rainwater got into, and its right side wall upper end outer edge has the support step 621 that is used for the location to bear passageway intermediate floor 20, the rear side of balcony module 62 registering one's residence in the left side of foundation festival, left side and right side lateral wall lower extreme face set up the prefabricated bolt hole 22 that has connecting box 19 for with buried bolt 21 on the basic raft board 2 is connected fixedly.

Further, the base-section right-side entry balcony module 63 is arranged symmetrically to the structure of the base-section left-side entry balcony module 62.

Further, the inter-aisle floor 20 has positioning notches 30 below three sides where the basic-section elevator shaft module 61, the basic-section left-side entry balcony module 62 and the basic-section right-side entry balcony module 63 are matched.

As shown in fig. 5 and 6, the first floor section module assembly 7 includes a first floor section elevator shaft module 71, a first floor section left-side entry balcony module 72 installed on the left side of the first floor section elevator shaft module 71, and a first floor section right-side entry balcony module 73 installed on the right side of the first floor section elevator shaft module 71.

Further, the first floor section elevator shaft module 71 is divided into a shaft room 15 for installing an elevator and a passageway room 14 for passing people by a middle partition wall 711, the middle part of the partition wall is provided with an elevator door hole 28 which is communicated, the left side and the right side of the passageway room 14 are provided with unit doors 10 for people to enter and exit, the shaft room 15 is opened up and down and is communicated, and the lower end surface of the passageway room 14 is closed to form an upper end surface and a front side surface opening; the end face has the positioning key recess 26 under its trilateral lateral wall that is in the outside, has the prefabricated bolt hole 22 of connecting box 19 and waterproof protruding edge 27, and its trilateral lateral wall up end that is in the outside has positioning key arch 23, embedded bolt 21, waterproof notch 24 and six hoisting points 25 that the symmetry set up.

Further, a rain shield 5 for shielding rain is installed above the unit door 10.

Furthermore, the first floor section left side is gone into house balcony module 72 upper end and front side opening, and its three walls up end has positioning key protruding 23, buried bolt 21 in advance and hoist and mount point 25, and its left side that is in the outside and rear wall up end outside border have prevent the waterproof notch 24 that rainwater got into, and its three walls down end has positioning key recess 26 and prefabricated bolt hole 22 that has connecting box 19, and its left side that is in the outside and rear wall down end outside border have waterproof protruding edge 27, and its wall that is in the outside has window 11 that is used for daylighting ventilation, it is fixed with the air conditioner frame 4 that is used for placing the outdoor unit of air conditioner still to go into house balcony module 72 outside wall in the first floor section left side.

Further, the first-floor right-side home-entering balcony module 73 is symmetrical to the structure of the first-floor left-side home-entering balcony module 72.

Furthermore, the right edge of the rear side wall of the left household balcony module 72 of the first floor section is connected with the front end of the left side wall of the first floor electricity-saving elevator shaft way module 71, embedded bolts 16 sinking into open slots are arranged on two sides of a joint formed by connecting the two modules, connecting pieces 17 are mounted on the embedded bolts 16 on the two sides and are screwed and fixed by nuts 18, and a plurality of groups of connecting structures are arranged on the joint formed by connecting the two modules.

Furthermore, the left edge of the rear side wall of the first floor section right house-entering balcony module 73 is connected with the front end of the right side wall of the first floor electricity-saving elevator shaft way module 71, embedded bolts 16 sinking into open slots are arranged on two sides of a joint formed by connecting the two modules, connecting pieces 17 are mounted on the embedded bolts 16 on the two sides and are screwed and fixed by nuts 18, and a plurality of groups of connecting structures are arranged on the joint formed by connecting the two modules.

The waterproof convex edge 27 and the waterproof notch 24 form an upper module covering lower module on the outer wall of the wall body at the horizontal joint position of the upper module and the lower module, and the inner side of the upper end surface of the lower module is of an upward convex water retaining wall structure.

As shown in fig. 7 and 8, the standard-section module assembly 8 includes a standard-section elevator shaft module 81, a standard-section left-side entry balcony module 82 installed on the left side of the standard-section elevator shaft module 81, and a standard-section right-side entry balcony module 83 installed on the right side of the standard-section elevator shaft module 81.

Further, the standard section elevator shaft module 81 is divided into a shaft room 15 for installing an elevator and a passageway room 14 for passing people by a middle partition wall 811, the middle part of the partition wall 811 is provided with an elevator door hole 28 which is communicated, the shaft room 15 is opened and communicated up and down, the bottom of the passageway room 14 is closed, and the upper end surface and the front side surface are opened; like the first-level module combination shown in fig. 5 and 6, the standard electricity-saving elevator shaft module 81 has a positioning key groove 26 and a prefabricated bolt hole 22 with a connecting box 19 on the lower end surface of three side walls, the left side wall and the lower edge of the rear side wall at the outer side position have the waterproof convex edge 27 for placing rainwater, the upper end surface of the three side walls has a positioning key protrusion 23 and a pre-embedded bolt 21, the left side wall and the lower edge of the rear side wall at the outer side position have a waterproof notch 24, and the upper end surface of the three side walls are symmetrically provided with six hoisting points 25 for hoisting.

As further shown in fig. 7 and 8, the left-side entrance balcony module 82 of the standard section has openings at its upper end and front side, and has a detailed structure like the first-layer section module combination shown in fig. 4 and 5, the upper end surface of its three-side wall has positioning key protrusions 23, embedded bolts 21 and symmetrically distributed hoisting points 25, the outer side edges of the upper end surfaces of its left-side and rear-side walls at its outer side have waterproof notches 24 for preventing rainwater from entering, the lower end surface of its three-side wall has positioning key grooves 26 and prefabricated bolt holes 22 with connection boxes 19, the outer side edges of its left-side and rear-side wall at its outer side have the waterproof protruding edges 27, the wall at its outer side has windows 11 for lighting and ventilation, and the wall at its right side has entrance doors 29 for entrance and exit of the apartment through the aisle room 14.

Further, the right-side balcony module 83 is symmetrical to the left-side balcony module 82.

Further, the right edge of the rear side wall of the standard joint left-side entering balcony module 82 is connected with the front end of the left side wall of the standard electricity-saving elevator shaft way module 81, the left edge of the rear side wall of the standard joint right-side entering balcony module 83 is connected with the front end of the right side wall of the standard electricity-saving elevator shaft way module 81, and the concrete structure of the connection is the same as that of the three modules in the first-layer joint module combination 7.

As shown in fig. 9 and 10, the top-level section module assembly 9 includes a top-level section elevator shaft module 91, a standard section elevator shaft module 81 below the top-level section elevator shaft module 91, a top-level section left-side entry balcony module 92 installed on the left side of the standard section elevator shaft module 81, and a top-level section right-side entry balcony module 93 installed on the right side of the standard section elevator shaft module 81, and further includes a prefabricated roof slab 94 installed between the top-level section left-side entry balcony module 92 and the top-level section right-side entry balcony module 93 for closing and shielding rain, and the inter-aisle floor slab 20.

Further, as shown in fig. 11, the top-floor elevator hoistway module 91 is divided into a hoistway room 15 and a corridor room 14 by a middle partition wall 911, the corridor room 14 can be used as a personnel operation space for installing equipment of an elevator or maintaining the equipment, the middle part of the partition wall 911 is provided with an elevator door opening 28, the upper end of the hoistway room 15 is closed, the lower end of the hoistway room is open, and the bottom of the corridor room 14 is closed, and the upper end and the lower end of the corridor room are closed; the detailed structure of the lower end surface is the same as that of the first floor section module combination shown in fig. 6, and the lower end surface of the three-sided side wall of the top floor section elevator shaft module 91 at the outer side is provided with a positioning key bulge 26, a prefabricated bolt hole 22 with a connecting box 19 and the waterproof convex edge 27.

As shown in fig. 9 and 10, the upper end surface of the top-level section elevator hoistway module 91 is provided with a prefabricated waterproof roof 913, drain holes 912 and six symmetrically arranged hoisting points 25, the upper part of the side wall of the hoistway room 15 is provided with a louver 12 for ventilation and heat dissipation, the front side edge of the hoistway room is provided with the drain holes 912, and the outside of the drain holes is provided with drain pipes 914 for collecting and draining rainwater.

Further, the top surface of the top section left house-entering balcony module 92 is prefabricated with a waterproof roof 921 and a lifting point 25, the front side of the module is open, the detailed structure is the same as the lower end surface of the first section module combination shown in fig. 4 and 5, the lower end surfaces of the other three side walls are provided with a positioning key groove 26 and a prefabricated bolt hole 22 with a connecting box 19, the outer side edges of the left side surface and the lower end surface of the rear side wall which are positioned at the outer side are provided with the waterproof convex edge 27, and the wall which is positioned at the outer side is provided with a window 11 for lighting and ventilation.

Further, the right-side home-entering balcony module 93 of the top-layer section and the left-side home-entering balcony module 92 of the top-layer section are symmetrically arranged.

Further, the right edge of the rear side wall of the top-layer-section left-side home-entering balcony module 92 is connected with the front end of the left side wall of the standard power-saving elevator shaft way module 81, the left edge of the rear side wall of the top-layer-section right-side home-entering balcony module 93 is connected with the front end of the right side wall of the standard power-saving elevator shaft way module 81, and the concrete structure of the connection is the same as that of the three modules in the first-layer-section module combination 7.

Further, a drainage hole 912 is provided on the front side of the prefabricated roof 913 of the top-deck elevator shaft module 91 in the main building direction, and a drainage pipe 914 for draining rainwater is installed at the rainwater outlet.

As shown in fig. 3, fig. 5, fig. 6 and fig. 12, the upper end surface and the lower end surface of the module assembly are fixed by adopting a positioning key and bolt assembly, the positioning key and bolt assembly comprises a shear resistant positioning key and a tensile resistant embedded bolt, and the shear resistant positioning key is formed by matching a positioning key groove 26 arranged on the lower end surface of the module with a positioning key protrusion 23 arranged on the upper end surface of the other module; the embedded bolt connection is formed by matching an embedded bolt 21 arranged on the upper end face of one module with a prefabricated bolt hole 22 arranged on the lower end face of the other module and provided with a connecting box 19. The connecting box 19 of prefabricated bolt hole 22 is located lateral wall internal surface and the lower limb of connecting box 19 is higher than module bottom plate upper surface, so that use tool dismouting gasket and nut on the embedded bolt 21, penetrate upper segment module combination prefabricated bolt hole 22 and through nut locking connection through the embedded bolt 21 at lower segment module combination top between the adjacent module combination, assemble into modular concrete elevator shaft way. According to the difference of the 13 floor numbers of the main building, the number of the standard knot module combinations 8 which are assembled on site is only required to be different.

As shown in fig. 13-15, taking one connection of the first-floor elevator shaft module 71 and the standard electricity-saving elevator shaft module 81 as an example, the connection box 19 is a U-shaped connection preset component pre-embedded in the side wall of the concrete module, and includes two or more U-shaped bottom plates 191 having straight bottom surfaces and two sides bent or welded at right angles and inverted U-shaped anchor bars 192 welded to the outside of the connection box 19, the bottom surfaces of the U-shaped bottom plates 191 have bolt through holes 193, the connection box 19 is preset at a position required by design when the concrete module is cast, a connection box 19 having a square cavity in a side opening is formed on the side wall of the concrete after the anchor bars 192 and the U-shaped bottom plates 191 are cast, and a pre-embedded bolt hole 22 corresponding to and communicating with the bolt through hole 193 on the U-shaped bottom plate 191 is formed in the concrete wall after the concrete module is cast. The function of the connection box 19 is to form an operation space for installing the nut, and more importantly, to disperse the pressure of the nut through the U-shaped bottom plate 191, thereby avoiding the damage to the member caused by the concentration of the concrete locking stress. The anchor bars 192 are used for reinforcing the U-shaped bottom plate 191 and the concrete.

Further, after the upper and lower modules are assembled, the nuts 211 are mounted on the heads of the embedded bolts 21 and are screwed to the torque value specified by the design through tools to ensure enough pretightening force, then the connecting box 19 is filled with filler 194 for sealing, the filler 194 is fine stone concrete or mortar concrete, and compared with the existing embedded connecting box with five sealed sides, the connecting box 19 with the side faces opened as much as possible can enable the inner sealed concrete to be combined with the concrete around the wall body reinforcing steel bars 31 into a whole, so that the connecting box 19 has the advantages of high connecting strength with the concrete main body structure and high safety factor. The packing 194 may further enhance the coupling force of the bolt 21 and prevent the bolt 21 and the nut 211 from being loosened and rusted.

A construction method of a modular concrete elevator shaft with a balcony comprises the following specific processes:

1) arranging an elevator passageway door opening at the corresponding position of each floor of the old main building;

2) excavating a foundation gallery, pouring a foundation cushion layer and a foundation raft, and prefabricating embedded bolts on the upper surface of the foundation raft;

3) elastic line positioning is carried out on the top surfaces of the basic raft plates; rechecking the position and the length of the embedded bolt, and cleaning the embedded bolt;

measuring the elevation and arranging a cushion block;

4) hoisting the foundation section module combination: paving mortar on the basic raft to be slightly higher than the cushion upper surface, then hoisting the basic section elevator well module that basic section module combination includes, basic section left side balcony module of registering one's residence and basic section right side balcony module of registering one's residence in proper order, protruding along protruding with the positioning key of below module up end positioning key of the lower terminal surface of every module recess, prefabricated bolt hole and waterproof protruding, buried bolt and waterproof notch correct alignment position and whereabouts place and target in place, install intermodule lateral wall piece joint connecting piece and accomplish fixedly, basic section module combination hoist will pave the mortar and extrude partly from the wall both sides after taking one's place. Mounting nuts of all embedded bolts in the foundation section module combination and primarily screwing, mounting a gasket and the nuts on each embedded bolt through a connecting box inside the peripheral side wall, and screwing to a torque value specified by design by using a tool;

5) hoisting a first-layer section module combination, a hoisting standard section module combination and a top-layer section module combination: after mortar between the foundation section module combination and a foundation raft plate reaches a certain strength, coating special seam glue on the seam of the upper surface of the module combination, continuously hoisting the first-layer section module combination, the hoisting standard section module combination and the top-layer section module combination, installing nuts and primarily screwing, installing gaskets and nuts on each embedded bolt through a connecting box inside the peripheral side wall, screwing the embedded bolts to a torque value specified by design by using a tool, and installing the inter-module side wall abutted seam connecting piece in place and completing fixation;

6) and (4) finishing installation: after all modules are assembled and installed, the embedded bolts are finally screwed layer by layer from top to bottom, gaskets and nuts are installed on the embedded bolts through connecting boxes inside the peripheral side walls, and tools are used for screwing the embedded bolts to a designed and specified torque value to complete installation;

7) and (3) later-stage working procedures: and sealing all the connecting boxes, processing the expansion joints between the connecting boxes and the main building, and installing expansion joint pinch plates in the expansion gaps reserved between each module combination and the main building.

The above description is only an example of the present invention, and not intended to limit the scope of the present invention, and all simple equivalent changes and modifications made within the scope of the present invention and the description thereof are included in the scope of the present invention.

Claims (10)

1. The utility model provides a modular area balcony concrete elevator shaft way which characterized in that: the method comprises the steps that a foundation section module combination, a first-layer section module combination, a standard section module combination and a top-layer section module combination are arranged on a foundation raft cast in situ according to the sequence from bottom to top;

each module combination at least comprises three modules, at least one module comprises a shaft room for installing an elevator, the shaft rooms of the modules are spliced and communicated up and down to form a complete elevator shaft, and a landing balcony with the left side and the right side for realizing flat landing;

the first-layer section module combination is provided with a unit door for entering and exiting;

the first-layer section module combination, the standard section module combination and the top-layer section module combination are also provided with aisles and corresponding door openings which are communicated between the main body building and the well;

the upper end surface and the lower end surface of the module combination are fixed by adopting a positioning key bolt combination;

each module is a reinforced concrete prefabricated component;

the wall surface splicing between the modules contained in the module group is fixedly connected by adopting an embedded part and a connecting part.

2. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the positioning key bolt combination fixing comprises a shear resistant positioning key and a tensile resistant embedded bolt connection, wherein the shear resistant positioning key is formed by matching a positioning key groove arranged on the lower end surface of one module with a positioning key protrusion arranged on the upper end surface of the other module; the embedded bolt connection is formed by matching an embedded bolt arranged on the upper end face of the module and a prefabricated bolt hole which is arranged on the lower end face of the other module and is provided with a connecting box.

3. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the basic section module combination comprises a basic section well module, a basic section left side balcony module and a basic section right side balcony module.

4. A modular balcony-equipped concrete elevator shaft as claimed in claim 3, wherein: the basic well-saving way module is provided with a pipeline route reserved for the reconstruction and displacement of the original underground pipeline of the main building.

5. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the first floor section module combination comprises a first floor section shaft module, a first floor section left side balcony module and a first floor section right side balcony module.

6. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the standard section module combination comprises a standard section shaft module, a standard section left side balcony module and a standard section right side balcony module.

7. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the top layer section module combination comprises a top layer electricity-saving elevator shaft channel module, a standard section elevator shaft channel module below the top layer electricity-saving elevator shaft channel module, a top layer section left-side entering balcony module installed on the left side of the standard electricity-saving elevator shaft channel module and a top layer section right-side entering balcony module installed on the right side of the standard section elevator shaft module.

8. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the basic raft is poured on the basic cushion layer, and the upper end surface of the basic raft is provided with pre-embedded bolts used for connecting and fixing the basic section module combination. And raft prefabricated grooves for grouting sealing are arranged in the distribution area of the embedded bolts.

9. The modular balcony-equipped concrete elevator shaft according to claim 1, wherein: the module is provided with a waterproof notch at the outer edge of the upper end of the side wall, and the module is correspondingly provided with a waterproof convex edge matched with the waterproof notch at the outer edge of the lower end of the side wall.

10. A construction method of a modular balcony-equipped concrete elevator shaft as claimed in any one of claims 1 to 9, characterized by comprising the following steps;

1) opening an entrance door opening at each floor of the old main building corresponding to the balcony module;

2) excavating a foundation gallery, pouring a foundation cushion layer and a foundation raft, and prefabricating embedded bolts on the upper surface of the foundation raft;

3) elastic line positioning is carried out on the top surfaces of the basic raft plates; rechecking the position and the length of the embedded bolt, and cleaning the embedded bolt; measuring the elevation and arranging a cushion block;

4) hoisting the foundation section module combination: paving mortar on the basic raft to be slightly higher than the upper surface of the cushion block, then sequentially hoisting a basic section elevator shaft module, a basic section left-side entering balcony module and a basic section right-side entering balcony module which are included in the basic section module combination into a position, and installing the intermodule side wall abutted seam connecting piece in place and completing fixation. Mounting nuts of all embedded bolts in the foundation section module combination and primarily screwing, mounting a gasket and the nuts on each embedded bolt through a connecting box inside the peripheral side wall, and screwing to a torque value specified by design by using a tool;

5) hoisting a first-layer section module combination, a hoisting standard section module combination and a top-layer section module combination: after mortar between the foundation section module combination and a foundation raft plate reaches a certain strength, coating special seam glue on a seam on the upper surface of the module combination, continuously hoisting a first-layer section module combination, a hoisting standard section module combination and a top-layer section module combination, correctly aligning a positioning key groove, a prefabricated bolt hole and a waterproof convex edge of the lower end surface of each module with a positioning key bulge, an embedded bolt and a waterproof notch on the upper end surface of a lower module, falling and placing in place, installing a nut and initially screwing, installing a gasket and a nut on each embedded bolt through a connecting box inside the peripheral side wall, screwing by using a tool to a torque value specified by design, and installing an inter-module side wall splicing connecting piece in place and completing fixation;

6) and (4) finishing installation: after all modules are assembled and installed, the embedded bolts at the horizontal joint positions are finally screwed layer by layer from top to bottom, gaskets and nuts are installed on the embedded bolts through connecting boxes inside the peripheral side walls, and tools are used for screwing the embedded bolts to the torque value specified by the design to complete installation;

7) and (3) later-stage working procedures: and sealing all the connecting boxes, processing the expansion joints between the connecting boxes and the main building, and installing expansion joint pinch plates in the expansion gaps reserved between each module combination and the main building.

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