The additional Fabricated balcony structure in old community and construction method thereof
Technical field
The present invention relates to a kind of old House Reconstruction structure and construction method thereof, the additional Fabricated balcony structure in especially a kind of old community and construction method thereof, belong to strengthening reconstruction technical field.
Background technology
Along with the progressively raising of urban life level, the continuous improvement of economic condition, the requirement of people to quality of life is also more and more higher.The a lot of old residential quarters of China are built in the 80s and 90s, and at that time due to the restriction by factors such as economic conditions, building function was simple, and design model is single, and quality of life is poor, and need just to enjoy sunlight downstairs to the full, airing clothes is also inconvenient.In the transformation of old residential quarters, these are built into the object in order to emphasis transformation.The conveniently daily life of resident, allows resident live more comfortable in the future, need not drop into a large amount of funds again, adds a kind of cry that assembling balcony structure then becomes the people old residential quarters exterior wall is upper outside.Simultaneously, balcony not only can increase the design of building, the place of rest and amusement more importantly can be provided to the resident living in old residential quarters, therefore, increase balcony structure in old community and become a problem urgently to be resolved hurrily in current seismic hardening.
For this reason, we have proposed and solve this problem well at the additional Fabricated balcony in exterior wall collar tie beam place, make the building function of old community obtain increase.Because balcony adopts in advance at the assembling of plant produced, and it is reliably easy to connect with original structure, the method short construction period, it is a kind of very practical reforming mode, when economic condition is permitted, the transformation of additional Fabricated balcony is adopted to have very large development prospect and realistic meaning to existing old residential quarters.
Summary of the invention
Based on the problems referred to above, the present invention, in conjunction with old residential quarters comprehensive reformation engineering, proposes the additional Fabricated balcony structure in a kind of old community and construction method thereof.Mainly due to the restriction of economy, technical condition, not balcony being set in order to solve existing old residential quarters, building using function and can not meet the present high-quality life requirement of people, needing to set up balcony to the technical problem making the life of resident more comfortable.
Technical scheme of the present invention is as follows:
The additional Fabricated balcony structure in a kind of old community, comprise original structure, also comprise the additional Fabricated balcony structure with the anchor connection of original structure exterior wall lower ring beam, described additional Fabricated balcony structure comprises and newly adds patten, newly adds steel post, newly adds precast concrete balcony slab, newly adds steel railing and newly add glass baffle plate; Wherein, described newly add precast concrete balcony slab connect be arranged on every layer original structure exterior wall lower ring beam outside, the described precast concrete balcony slab outboard end that newly adds is connected with and newly adds steel post, newly adds steel post and every layer and newly adds between precast concrete balcony slab and be provided with connector; Described newly adding, is connected with steel concrete bottom steel post and newly adds patten, and the described steel post that newly adds upwards connects each layer in top successively by described connector by bottom and newly adds precast concrete balcony slab; The described precast concrete balcony slab periphery that newly adds is provided with and newly adds steel railing, described newly add to be provided with between steel railing newly add glass baffle plate; The described steel banister top that newly adds is connected with handrail.
Further, the described precast concrete balcony slab long side direction outboard end turning that newly adds respectively is connected with a Gen Xinjia steel post.
Further, described connector is embedded in and newly adds on precast concrete balcony slab, and newly add that steel post is corresponding to be connected with described, described connector comprises steel sole plate and steel side plate, steel sole plate and steel side plate form " L " type component, wherein, steel side plate is attached to and newly adds steel post external surface welding with it, and described steel sole plate is perpendicular to steel side plate and be arranged on and newly add bottom precast concrete balcony slab.
Further, the described precast concrete balcony slab that newly adds is welded with the main muscle colligation of original structure exterior wall lower ring beam by anchoring ring muscle, described anchoring ring muscle is along newly adding precast concrete balcony slab long side direction arranged, its spacing is not more than 300mm, the anchorage length that described anchoring ring muscle is deep in original structure exterior wall lower ring beam is not less than 30d, and d is anchoring ring muscle diameter.
Further, described newly add steel railing by pre-embedded bolt with newly add precast concrete balcony slab and be connected, described pre-embedded bolt outer end is fastenedly connected by bolt backing plate and nut, described newly add glass baffle plate by fixture with newly add steel railing and be fixedly clamped and be connected, describedly newly add steel railing and handrail is welded to connect.
Further, describedly newly add steel post with newly adding between patten and be connected by pre-embedded anchoring bolts and suspension column backing plate, suspension column backing plate is arranged on by stone bolt and newly adds on patten, newly adds steel post and welds with suspension column backing plate; Described suspension column backing plate is provided with stiffening rib, and described stiffening rib welds with suspension column backing plate.Especially, 3, the every limit of described pre-embedded anchoring bolts.
Further, described newly adding on precast concrete balcony slab, is provided with drain hole, and described drain hole is connected with blow-off pipe.
The construction method of the additional Fabricated balcony structure in above-mentioned old community, is characterized in that: adopt following steps:
Step one: prefabricatedly newly add precast concrete balcony slab, and built-in connection thereon;
Step 2: according to design drawing, carries out in relevant position and newly adds patten, and is not less than the stone bolt of 20mm newly adding pre-buried suspension column backing plate and diameter on patten, by stone bolt by suspension column backing plate with newly add patten and be fastenedly connected;
Step 3: be welded on suspension column backing plate centre position by newly adding steel post;
Step 4: according to design drawing, eject newly to add outside precast concrete balcony slab and choose size Control line and sideline, both sides, horizontal level deviation is no more than 10mm, and checks absolute altitude, and absolute altitude deviation is no more than 5mm;
Step 5: dig out the reinforcing bar of original structure exterior wall lower ring beam and clean clean, hole is not left for ensureing newly to add between precast concrete balcony slab and outer wall body, water plain-water slurry one deck that water/binder ratio is 0.5, install according to step afterwards immediately and newly add precast concrete balcony slab;
Step 6: lifting newly adds precast concrete balcony slab, each suspension hook must be made simultaneously stressed when newly adding the lifting of precast concrete balcony slab, the angle of lifting rope and plane should be not less than 45 °, add when precast concrete balcony slab winches to slightly higher than plane on floor when newly and suspend, make newly to add precast concrete balcony slab time in place and first aim at wall upper sideline, newly add part that precast concrete balcony slab chooses and be placed on and newly add on steel post and add temporary support; Wherein, newly add in precast concrete balcony slab installation process and should control by messenger wire at any time, to ensure that upper-lower position is consistent;
Step 7: the anchoring ring muscle newly adding precast concrete balcony slab is welded with exterior wall lower ring beam reinforcing bar binding, and on inspection qualified after-pouring concrete curing to design strength;
Step 8: adjust and calibrate the position newly adding steel post, by newly add precast concrete balcony slab by the connector that is made up of steel sole plate and steel side plate with newly add steel post and be welded to connect; By newly add steel railing by pre-embedded bolt with newly add precast concrete balcony slab and carry out bolt and be connected, tighten fixing; To be fixed on by fixture newly to add on steel railing by newly adding glass baffle plate;
Step 9: do and newly add precast concrete balcony slab waterproofing work, and newly adding drain hole place installation blow-off pipe reserved on precast concrete balcony slab, blow-off pipe interface rubber seal rings for seal, and blow-off pipe is connected to building sewage conduct.
Beneficial effect:
It is simple and convenient that the most significant advantage of the present invention is to set up Fabricated balcony, and the duration is short, freedom and flexibility.Due to additional steel post, assume responsibility for the load of part balcony, reduce and newly add balcony to the stressed impact of building structure.Newly-increased balcony can airing clothes, stack foreign material etc., considerably increase the building usable floor area of resident family and the comfort level of life, improve quality of life and the life requirement of resident, the method is safe and reliable.Can predict, when economic condition is permitted, if this technology is applied, in old community, set up Fabricated balcony will have significant realistic meaning.
Accompanying drawing explanation
Fig. 1 is additional Fabricated balcony structural plan schematic diagram;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is balcony slab anchoring ring muscle schematic diagram;
Fig. 5 is balcony built-in connection and steel post connection diagram;
Fig. 6 is pre-embedded bolt and steel railing connection diagram;
Fig. 7 is steel post and basic connection diagram.
In figure, 1: exterior wall lower ring beam; 2: newly add precast concrete balcony slab; 3: drain hole; 4: newly add steel post; 5: handrail; 6: newly add steel railing; 7: pre-embedded bolt; 8: bolt backing plate; 9: nut; 10: steel sole plate; 11: steel side plate; 12: anchoring ring muscle; 13: blow-off pipe; 14: stone bolt; 15: stiffening rib; 16: suspension column backing plate; 17: newly add patten; 18: newly add glass baffle plate.
Detailed description of the invention
The additional Fabricated balcony structure in a kind of old community, see shown in Fig. 1 to 7, comprise original structure, also comprise the additional Fabricated balcony structure with the anchor connection of original structure exterior wall lower ring beam 1, additional Fabricated balcony structure comprises and newly adds patten 17, newly adds steel post 4, newly adds precast concrete balcony slab 2, newly adds steel railing 6 and newly add glass baffle plate 18 (as shown in Figure 1-2); Wherein, newly adding precast concrete balcony slab 2 connection is arranged on outside the original structure exterior wall lower ring beam 1 of every layer, newly add precast concrete balcony slab 2 long side direction outboard end turning and be respectively connected with a Gen Xinjia steel post 4, newly add steel post 4 and every layer and newly add between precast concrete balcony slab 2 and be provided with connector; Newly add and be connected with steel concrete bottom steel post 4 and newly add patten 17, newly add steel post 4 and upwards connect each layer in top successively by described connector by bottom and newly add precast concrete balcony slab 2; Newly add precast concrete balcony slab 2 periphery to be provided with and newly to add steel railing 6, newly add to be provided with between steel railing 6 and newly add glass baffle plate 18; Newly add steel railing 6 top and be connected with handrail 5 (as shown in Figure 2).Wherein, connector is embedded in and newly adds on precast concrete balcony slab 2, and correspondingly with newly adding steel post 4 to connect, connector comprises steel sole plate 10 and steel side plate 11 (as shown in Figure 5), steel sole plate 10 and steel side plate 11 form " L " type component, wherein, steel side plate 11 is attached to and newly adds steel post 4 external surface welding with it, and steel sole plate 10 is perpendicular to steel side plate 11 and be arranged on and newly add bottom precast concrete balcony slab 2.Newly add precast concrete balcony slab 2 to be welded (as shown in Figure 4) with the main muscle colligation of original structure exterior wall lower ring beam 1 by anchoring ring muscle 12, anchoring ring muscle 12 is along newly adding precast concrete balcony slab 2 long side direction arranged, its spacing is not more than 300mm, the anchorage length that anchoring ring muscle 12 is deep in original structure exterior wall lower ring beam 1 is not less than 30d, and d is anchoring ring muscle 12 diameter.Newly add steel railing 6 by pre-embedded bolt 7 with newly add precast concrete balcony slab 2 and be connected, pre-embedded bolt 7 outer end is undertaken being fastenedly connected (as shown in Figure 6) by bolt backing plate 8 and nut 9, newly add glass baffle plate 18 by fixture with newly add steel railing 6 and be fixedly clamped and be connected, newly add steel railing 6 and be welded to connect with handrail 5.Newly adding steel post 4 with newly adding between patten 17 is connected by pre-embedded anchoring bolts 14 and suspension column backing plate 16, newly add steel post 4 and newly add between patten 17 for being rigidly connected (as shown in Figure 7), suspension column backing plate 16 is arranged on by stone bolt 14 and newly adds on patten 17, newly add steel post 4 to weld with suspension column backing plate 16, suspension column backing plate 16 is provided with stiffening rib 15, stiffening rib 15 welds with suspension column backing plate 16, every 3, the limit of pre-embedded anchoring bolts 14.Newly add on precast concrete balcony slab 2 and be also provided with drain hole 3, drain hole 3 is connected with blow-off pipe 13, and balcony rainwater in an organized way enters underground building sewage conduct by drain hole 3 and blow-off pipe 13.
This reinforcement means directly adds Fabricated balcony collar tie beam is upper outside, and outside balcony slab, increase by two Gen Xinjia steel posts 4 and Xin Jia patten 17, less to the stressing influence of existing building.
The construction method of the additional Fabricated balcony structure in above-mentioned old community, adopts following steps:
Step one: prefabricatedly newly add precast concrete balcony slab 2, and built-in connection thereon;
Step 2: according to design drawing, carries out in relevant position and newly adds patten 17, and is not less than the stone bolt 14 of 20mm newly adding pre-buried suspension column backing plate 16 and diameter on patten 17, by stone bolt 14 by suspension column backing plate 16 with newly add patten 17 and be fastenedly connected;
Step 3: be welded on suspension column backing plate 16 centre position by newly adding steel post 4;
Step 4: according to design drawing, eject newly to add outside precast concrete balcony slab 2 and choose size Control line and sideline, both sides, horizontal level deviation is no more than 10mm, and checks absolute altitude, and absolute altitude deviation is no more than 5mm;
Step 5: dig out the reinforcing bar of original structure exterior wall lower ring beam 1 and clean clean, hole is not left for ensureing newly to add between precast concrete balcony slab 2 and outer wall body, water plain-water slurry one deck that water/binder ratio is 0.5, install according to step afterwards immediately and newly add precast concrete balcony slab 2;
Step 6: lifting newly adds precast concrete balcony slab 2, newly adding when precast concrete balcony slab 2 lifts by crane to make each suspension hook simultaneously stressed, the angle of lifting rope and plane should be not less than 45 °, add when precast concrete balcony slab 2 winches to slightly higher than plane on floor when newly and suspend, make newly to add precast concrete balcony slab 2 time in place and first aim at wall upper sideline, newly add part that precast concrete balcony slab 2 chooses and be placed on and newly add on steel post 4 and add temporary support; Wherein, newly add in precast concrete balcony slab 2 installation process and should control by messenger wire at any time, to ensure that upper-lower position is consistent;
Step 7: the anchoring ring muscle 12 newly adding precast concrete balcony slab 2 is welded with exterior wall lower ring beam 1 reinforcing bar binding, and on inspection qualified after-pouring concrete curing to design strength;
Step 8: adjust and calibrate the position newly adding steel post 4, by newly add precast concrete balcony slab 2 by the connector that is made up of steel sole plate 10 and steel side plate 11 with newly add steel post 4 and be welded to connect; By newly add steel railing 6 by pre-embedded bolt 7 with newly add precast concrete balcony slab 2 and carry out bolt and be connected, tighten fixing; To be fixed on by fixture newly to add on steel railing 6 by newly adding glass baffle plate 18;
Step 9: do and newly add precast concrete balcony slab 2 waterproofing work, and newly adding drain hole 3 place installation blow-off pipe 13 reserved on precast concrete balcony slab 2, blow-off pipe 13 interface rubber seal rings for seal, and blow-off pipe 13 is connected to building sewage conduct.
Be more than an exemplary embodiment of the present invention, specific embodiment of the invention is not limited thereto.