CN103790185B - The shock insulation ditch enclosure wall of deep foundation isolation structure and constructive method thereof - Google Patents
The shock insulation ditch enclosure wall of deep foundation isolation structure and constructive method thereof Download PDFInfo
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Abstract
The shock insulation ditch enclosure wall of deep foundation isolation structure and a constructive method thereof, the downward-sloping insertion site soil layers in described anchor cable one end, the other end is anchored at the anchored end on steel waist rail through adjacent two soldier pile spaces; The reinforcing cage of soldier pile is fixed with built-in fitting anchor slab, built-in fitting reinforcing bar one end is fixed on built-in fitting anchor slab inner face, it is inner that the other end stretches into soldier pile pile body, vertically steel floor is fixed with side by side outside built-in fitting anchor slab, steel floor has horizontal U-shaped mouth towards the interval, one side of major structure of construction, the raft plate reinforcement welding of steel floor bottom and corresponding Base isolation system; The outer row of horizontal reinforcing bar of outer retaining wall is arranged in the horizontal U-shaped mouth of steel floor, and the horizontal reinforcement of strut rail cob wall welds with corresponding steel floor.The present invention, by pile-anchor system, cast-in-situ steel reinforced concrete retaining wall, raft foundation are linked as entirety, form the shock insulation ditch enclosure wall with the deep foundation isolation structure of good stress performance, can be applicable to the deep foundation isolation structure with multi-storey basement.
Description
Technical field
The present invention relates to a kind of shock insulation ditch enclosure wall and constructive method thereof of isolation structure.
Background technology
Earthquake is as a kind of natural calamity, and the disaster that earthquake causes causes huge disaster to the mankind.The method of traditional architecture design antidetonation adopts strengthens structure, strengthen sectional dimension of members, increase reinforced component, the method improving " firmly anti-" such as the rigidities of structure resists earthquake, but because earthquake has randomness, earthquake magnitude has uncertainty, the anti-shock methods of tradition " firmly anti-" is adopted to design by actual earthquake intensity, the performance objective of building structure inherently safe and personal security might not be guaranteed, and is more difficult to Earthquake occurrence control secondary disaster and realizes valuable property safety performance target.
At present, isolation structure is owing to effectively can reduce the seismic damage of building, and application is more and more.Isolation structure in the middle part of house is arranged on to Seismic Isolation of Isolation Layer, it has the performance requirement higher than non-isolation structure to the structural element below Seismic Isolation of Isolation Layer, and this type of Isolating Building all should take special treatment measures to equipment pipe circuits such as vertical means of transportation (elevator, staircase, stair etc.), fire fighting device, heating, water supply, power supply, security protections, design and construction difficulty is all larger.The base isolation be arranged on by Seismic Isolation of Isolation Layer between basis and superstructure is one of shock isolation method the most favourable in isolation structure.
Base isolation structure: arrange between house base foundation and superstructure and form the structure that the Seismic Isolation of Isolation Layer with integral reset function forms, to reach the shockproof object of expection by the parts such as rubber earthquake isolation support and damping unit.
For the base isolation structure of band basement, due to the needs of shock insulation, must arrange Seismic Isolation of Isolation Layer and building and basis be separated, arrange shock insulation ditch simultaneously and will build and the disengagement of surrounding Site Soil, this just needs the shock insulation ditch enclosure wall arranging isolation structure.The shock insulation ditch enclosure wall of isolation structure generally adopts the cantilever retaining wall of free lower end, upper end and Base isolation system consolidation.Retaining wall mainly bears soil, the water pressure of its behind, and soil, water pressure are horizontal force is to Triangle-Profile, the maximum uniform horizontal loading q=Krh in bottom; The horizontal distortion f=qh of its end of encorbelmenting
4/ 30EI=Krh
5/ 30EI; Root bending moment M=qh
2/ 6=Krh
3/ 30; Wherein K is soil, coefficient of water pressure, and r is soil, water severe, E are retaining wall elastic model, I is retaining wall second moment of area, h is the retaining wall degree of depth.So along with the increase of the cantilever degree of depth, horizontal movement and the root bending moment of retaining wall sharply increase.
For the base isolation structure of single floor basement, space enclosing structure cantilever retaining wall jib-length is less, is easy to realize.For the basement number of plies more (being not less than 2 layers), base isolation structure that shock insulation trench depth is large, the length of the cantilever of its shock insulation ditch enclosure wall is very long, conventional concrete cantilever retaining wall be difficult to realize or cost too large.
The shock insulation ditch enclosure wall of existing base isolation structure is only applicable to shallow foundation isolation structure.For the shock insulation ditch enclosure wall of deep foundation isolation structure, produce very large root bending moment under horizontal soil, effect of water pressure, cantilever end produces very large horizontal distortion, is difficult to meet the designing requirement with the base isolation structure space enclosing structure of multi-storey basement.
Summary of the invention
The invention provides a kind of shock insulation ditch enclosure wall and constructive method thereof of deep foundation isolation structure, solve the pile-anchor system of existing shock insulation ditch enclosure wall and retaining wall without contact, jointly not stressed, easily there is horizontal distortion in retaining wall, is difficult to the technical problem meeting the requirement of deep foundation shock insulation Design of Retaining Structure.
The technical solution adopted for the present invention to solve the technical problems is:
The shock insulation ditch enclosure wall of this deep foundation isolation structure, comprise the pile-anchor supporting system of excavation of foundation pit, cast-in-situ concrete retaining wall and top Guan Liang, pile-anchor supporting system comprises soldier pile, anchor cable and steel waist rail, the downward-sloping insertion site soil layers in anchor cable one end, the other end is anchored at the anchored end on steel waist rail through adjacent two soldier pile spaces;
Built-in fitting anchor slab is fixed with outside the reinforcing cage of described soldier pile, built-in fitting reinforcing bar one end is fixed on built-in fitting anchor slab inner face, it is inner that the other end stretches into soldier pile pile body, vertically steel floor is fixed with side by side outside built-in fitting anchor slab, steel floor has horizontal U-shaped mouth towards the interval, one side of major structure of construction, the raft plate reinforcement welding of steel floor bottom and corresponding Base isolation system;
Described retaining wall is the lattice type retaining wall connected into by outer retaining wall, strut rail cob wall and interior retaining wall, strut rail cob wall be connected between outer retaining wall and interior retaining wall with soldier pile corresponding position, the outer row of horizontal reinforcing bar of outer retaining wall is arranged in the horizontal U-shaped mouth of steel floor, and the horizontal reinforcement of strut rail cob wall welds with corresponding steel floor;
Sprayed mortar surface mount between described soldier pile on site soil layers sidewall has waterproof roll, is provided with polyphenyl topping between waterproof roll and outer retaining wall;
Described top Guan Liang is located at soldier pile and retaining wall top.
Described soldier pile adopts Single row pillars or double-row pile.
The height that the height of described built-in fitting anchor slab is not less than retaining wall adds Base isolation system thickness.
Every limit, horizontal section of described built-in fitting anchor slab wider than strut rail cob wall go out 20 ~ 40mm.
Be surrounded by concrete breast beam outside described steel waist rail, concrete breast beam and outer retaining wall are built and are integrated.
Described strut rail cob wall bottom has cross wall inspection manhole.
Described top Guan Liang adopts cast-in-situ concrete beam or cast-in-situ reinforced concrete slab.
The constructive method of the shock insulation ditch enclosure wall of this deep foundation isolation structure, construction sequence is as follows:
Step one, the reinforcing cage of colligation soldier pile, is fixed on the reinforcing cage of soldier pile by built-in fitting anchor slab inner face, and built-in fitting reinforcing bar one end is fixed on built-in fitting anchor slab inner face, and it is inner that the other end stretches into soldier pile pile body,
Step 2, carries out soldier pile construction, guarantees built-in fitting accurate positioning;
Step 3, carries out excavation of foundation pit and dewatering operation, anchor cable of constructing in digging process, the downward-sloping insertion site soil layers in anchor cable one end, and the other end is anchored at the anchored end on steel waist rail through adjacent two soldier pile spaces; Stretch-draw anchor, and the condition of reserved anchor cable two times tensioning;
Step 4, after excavation of foundation pit completes, vertical weldable steel floor side by side outside built-in fitting anchor slab, steel floor has horizontal U-shaped mouth towards the interval of major structure of construction;
Step 5, by smooth for the sprayed mortar surfacing on site soil layers sidewall between soldier pile, is pasted onto the surface of sprayed mortar by waterproof roll;
Step 6, construction Base isolation system, by the raft plate reinforcement welding of steel floor bottom with corresponding Base isolation system, completes Base isolation system construction;
Step 7, construction retaining wall, lattice type retaining wall is connected into by outer retaining wall, strut rail cob wall and interior retaining wall, the horizontal reinforcement of strut rail cob wall welds with the steel floor on corresponding soldier pile, the outer row of horizontal reinforcing bar of outer retaining wall is arranged in the horizontal U-shaped mouth of steel floor, is provided with polyphenyl topping between waterproof roll and outer retaining wall;
Step 8, carry out two times tensioning to the anchored end of anchor cable, anchor cable pulling force reaches Design of Retaining Structure requirement, with concrete enclosing after stretch-draw completes;
Step 9, at soldier pile and construction top, retaining wall top Guan Liang.
Described step 7, construction retaining wall starts to construct Seismic Isolation of Isolation Layer and major structure of construction on Base isolation system simultaneously;
Continue construction building agent structure after described step 9, stop precipitation.
Beneficial effect of the present invention is as follows:
The present invention is directed to the base isolation structure that the basement number of plies is many, the degree of depth is large, pile-anchor supporting system and cast-in-place concrete wall are connected as a single entity, form the piled anchor combined enclosure wall of deep foundation isolation structure.Piled anchor structural system not only as the temporary support structures of Excavation Process, and as the important component part of isolation structure enclosure wall.Due to the existence of prestressed anchor, provide a horizontal pull contrary with soil water pressure direction, effectively can change the stress performance of shock insulation ditch enclosure wall, structural safety performance, structural redundancy, resistance to capsizing all improve a lot.
The present invention by connecting built-in fitting and steel floor on soldier pile, and be connected with soldier pile by retaining wall, raft plate is connected with soldier pile, can make the co-operation such as pile-anchor system, retaining wall, raft plate.Concrete breast beam and retaining wall are built simultaneously, simultaneously as the external wrapping concrete component of pile-anchor system steel waist rail, improve anchoring strength.
The present invention makes full use of temporary support structures as permanent structure, considers the acting in conjunction of piled anchor, cast-in-situ concrete retaining wall, raft plate.Compared with the general cantilever retaining wall not considering piled anchor advantageous effect, the present invention effectively can reduce thickness, minimizing floor space, the minimizing construction costs of retaining wall.Reasonable stress of the present invention, be convenient to implement, safety and the resistance to capsizing of structural protective system can be guaranteed.Compared with cantilever retaining wall, space enclosing structure horizontal distortion is little, and ability is toppled much larger than cantilever retaining wall in structure hole, has stronger shock resistance simultaneously.
The present invention is by being linked as entirety using as the pile-anchor system of temporary lining, cast-in-situ steel reinforced concrete retaining wall, raft foundation, jointly stressed, form the shock insulation ditch enclosure wall with the deep foundation isolation structure of good stress performance, the deep foundation isolation structure with multi-storey basement can be applicable to.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is detail of construction of the present invention.
Fig. 3 is the structural representation of A-A section in Fig. 2.
Fig. 4 is the structural representation of B-B section in Fig. 2.
Fig. 5 is the constructional detail of piling wall connected node.
Fig. 6 is the structural representation of C-C section in Fig. 5.
Reference numeral: 1-soldier pile, 2-anchor cable, 3-steel waist rail, 3.1-anchored end, the outer retaining wall of 4-, the outer row of horizontal reinforcing bar of 4.1-, 4.2-vertical reinforcement, 5-strut rail cob wall, 5.1-horizontal reinforcement, 5.2-vertical reinforcement, retaining wall in 6-, 7-steel floor, the horizontal U-shaped mouth of 7.1-, 8-Base isolation system, 9-shock insulation ditch, 10-cross wall inspection manhole, 11-Seismic Isolation of Isolation Layer, 12-major structure of construction, 13-retaining wall and soldier pile connected node, 14-site soil layers, 15-waterproof roll, 16-polyphenyl topping, 17-top Guan Liang, 18-built-in fitting anchor slab, 19-built-in fitting reinforcing bar.
Detailed description of the invention
Embodiment is see shown in Fig. 1 ~ 6, the shock insulation ditch enclosure wall of this deep foundation isolation structure, comprise the pile-anchor supporting system of excavation of foundation pit, cast-in-situ concrete retaining wall and top hat beam 17, pile-anchor supporting system comprises soldier pile 1, anchor cable 2 and steel waist rail 3, the downward-sloping insertion site soil layers 14 in anchor cable 2 one end, the other end is anchored at the anchored end 3.1 on steel waist rail 3 through adjacent two soldier pile 1 spaces.Be surrounded by concrete breast beam outside steel waist rail 3, concrete breast beam and outer retaining wall 4 are built and are integrated.
Shown in Fig. 5, Fig. 6, described soldier pile 1 adopts Single row pillars or double-row pile, preferred Single row pillars.Be fixed with built-in fitting anchor slab 18 outside the reinforcing cage of soldier pile 1, the height that the height of built-in fitting anchor slab 18 is not less than retaining wall adds Base isolation system thickness.Every limit, horizontal section of built-in fitting anchor slab 18 wider than strut rail cob wall 5 go out 20 ~ 40mm.Built-in fitting reinforcing bar 19 one end is fixed on built-in fitting anchor slab 18 inner face, it is inner that the other end stretches into soldier pile 1 pile body, vertically steel floor 7 is fixed with side by side outside built-in fitting anchor slab 18, steel floor 7 has horizontal U-shaped mouth 7.1 towards the interval, one side of major structure of construction 12, the raft plate reinforcement welding of steel floor 7 bottom and corresponding Base isolation system 8.
Shown in Fig. 1 ~ 4, described retaining wall is the lattice type retaining wall connected into by outer retaining wall 4, strut rail cob wall 5 and interior retaining wall 6, strut rail cob wall 5 be connected between outer retaining wall 4 and interior retaining wall 6 with soldier pile 1 corresponding position, described strut rail cob wall 5 bottom has cross wall inspection manhole 10, the outer row of horizontal reinforcing bar 4.1 of outer retaining wall 4 is arranged in the horizontal U-shaped mouth 7.1 of steel floor 7, and the horizontal reinforcement 5.1 of strut rail cob wall 5 welds with corresponding steel floor 7.Retaining wall also can adopt common monolithic entities retaining wall.
Shown in Figure 5, the sprayed mortar surface mount between described soldier pile 1 on site soil layers 14 sidewall has waterproof roll 15, is provided with polyphenyl topping 16 between waterproof roll 15 and outer retaining wall 4.
Shown in Fig. 1, Fig. 2, described top hat beam 17 is located at soldier pile 1 and retaining wall top.Described top hat beam 17 adopts cast-in-situ concrete beam or cast-in-situ reinforced concrete slab.
The constructive method of the shock insulation ditch enclosure wall of this deep foundation isolation structure, construction sequence is as follows:
Step one, the reinforcing cage of colligation soldier pile 1, is fixed on the reinforcing cage of soldier pile 1 by built-in fitting anchor slab 18 inner face, and built-in fitting reinforcing bar 19 one end is fixed on built-in fitting anchor slab 18 inner face, and it is inner that the other end stretches into soldier pile 1 pile body,
Step 2, carries out soldier pile 1 and constructs, guarantee built-in fitting accurate positioning;
Step 3, carries out excavation of foundation pit and dewatering operation, anchor cable of constructing in digging process, the downward-sloping insertion site soil layers 14 in anchor cable 2 one end, and the other end is anchored at the anchored end 3.1 on steel waist rail 3 through adjacent two soldier pile 1 spaces; Stretch-draw anchor, and the condition of reserved anchor cable two times tensioning;
Step 4, after excavation of foundation pit completes, vertical weldable steel floor 7 side by side outside built-in fitting anchor slab 18, steel floor has horizontal U-shaped mouth 7.1 towards the interval of major structure of construction 12;
Step 5, by smooth for the sprayed mortar surfacing on site soil layers 14 sidewall between soldier pile 1, is pasted onto the surface of sprayed mortar by waterproof roll 15;
Step 6, construction Base isolation system 8, by the raft plate reinforcement welding of steel floor 7 bottom with corresponding Base isolation system 8, completes Base isolation system 8 and constructs;
Step 7, construction retaining wall, lattice type retaining wall is connected into by outer retaining wall 4, strut rail cob wall 5 and interior retaining wall 6, the horizontal reinforcement 5.1 of strut rail cob wall 5 welds with the steel floor 7 on corresponding soldier pile, the outer row of horizontal reinforcing bar 4.1 of outer retaining wall 4 is arranged in the horizontal U-shaped mouth 7.1 of steel floor 7, is provided with polyphenyl topping 16 between waterproof roll 15 and outer retaining wall 4;
Step 8, carry out two times tensioning to the anchored end 3.1 of anchor cable 2, anchor cable pulling force reaches Design of Retaining Structure requirement, with concrete enclosing after stretch-draw completes;
Step 9, is preced with beam 17 at soldier pile 1 and construction top, retaining wall top.
Described step 7, construction retaining wall starts construct on Base isolation system 8 Seismic Isolation of Isolation Layer 11 and major structure of construction 12 simultaneously;
Continue construction building agent structure 12 after described step 9, stop precipitation.
Claims (10)
1. the shock insulation ditch enclosure wall of a deep foundation isolation structure, comprise the pile-anchor supporting system of excavation of foundation pit, cast-in-situ concrete retaining wall and top Guan Liang (17), pile-anchor supporting system comprises soldier pile (1), anchor cable (2) and steel waist rail (3), the downward-sloping insertion site soil layers (14) in anchor cable (2) one end, the other end is anchored at the anchored end (3.1) on steel waist rail (3) through adjacent two soldier piles (1) space, it is characterized in that:
Built-in fitting anchor slab (18) is fixed with outside the reinforcing cage of described soldier pile (1), built-in fitting reinforcing bar (19) one end is fixed on built-in fitting anchor slab (18) inner face, it is inner that the other end stretches into soldier pile (1) pile body, built-in fitting anchor slab (18) outside is vertically fixed with steel floor (7) side by side, steel floor (7) has horizontal U-shaped mouth (7.1) towards the interval, one side of major structure of construction (12), the raft plate reinforcement welding of steel floor (7) bottom and corresponding Base isolation system (8);
Described cast-in-situ concrete retaining wall is the lattice type retaining wall connected into by outer retaining wall (4), strut rail cob wall (5) and interior retaining wall (6), strut rail cob wall (5) be connected between outer retaining wall (4) and interior retaining wall (6) with soldier pile (1) corresponding position, the outer row of horizontal reinforcing bar (4.1) of outer retaining wall (4) is arranged in the horizontal U-shaped mouth (7.1) of steel floor (7), and the horizontal reinforcement (5.1) of strut rail cob wall (5) welds with corresponding steel floor (7);
Sprayed mortar surface mount between described soldier pile (1) on site soil layers (14) sidewall has waterproof roll (15), is provided with polyphenyl topping (16) between waterproof roll (15) and outer retaining wall (4);
Described top Guan Liang (17) is located at soldier pile (1) and retaining wall top.
2. the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 1, is characterized in that: described soldier pile (1) adopts Single row pillars or double-row pile.
3. the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 1, is characterized in that: the height that the height of described built-in fitting anchor slab (18) is not less than retaining wall adds Base isolation system thickness.
4. the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 1, is characterized in that: every limit, horizontal section of described built-in fitting anchor slab (18) wider than strut rail cob wall (5) go out 20 ~ 40mm.
5. the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 1, is characterized in that: be surrounded by concrete breast beam outside described steel waist rail (3), and concrete breast beam and outer retaining wall (4) are built and be integrated.
6. the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 1, is characterized in that: described strut rail cob wall (5) bottom has cross wall inspection manhole (10).
7. the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 1, is characterized in that: described top Guan Liang (17) adopts cast-in-situ concrete beam or cast-in-situ reinforced concrete slab.
8. the constructive method of the shock insulation ditch enclosure wall of deep foundation isolation structure as described in claim 1 ~ 7 any one, is characterized in that construction sequence is as follows:
Step one, the reinforcing cage of colligation soldier pile (1), is fixed on the reinforcing cage of soldier pile (1) by built-in fitting anchor slab (18) inner face, and built-in fitting reinforcing bar (19) one end is fixed on built-in fitting anchor slab (18) inner face, and it is inner that the other end stretches into soldier pile (1) pile body,
Step 2, carries out soldier pile (1) construction, guarantees built-in fitting accurate positioning;
Step 3, carries out excavation of foundation pit and dewatering operation, anchor cable of constructing in digging process, the downward-sloping insertion site soil layers (14) in anchor cable (2) one end, and the other end is anchored at the anchored end (3.1) on steel waist rail (3) through adjacent two soldier piles (1) space; Stretch-draw anchor, and the condition of reserved anchor cable two times tensioning;
Step 4, after excavation of foundation pit completes, at the vertical weldable steel floor (7) side by side in built-in fitting anchor slab (18) outside, steel floor has horizontal U-shaped mouth (7.1) towards the interval of major structure of construction (12);
Step 5, by smooth for the sprayed mortar surfacing on site soil layers (14) sidewall between soldier pile (1), is pasted onto the surface of sprayed mortar by waterproof roll (15);
Step 6, construction Base isolation system (8), by the raft plate reinforcement welding of steel floor (7) bottom with corresponding Base isolation system (8), completes Base isolation system (8) construction;
Step 7, construction retaining wall, lattice type retaining wall is connected into by outer retaining wall (4), strut rail cob wall (5) and interior retaining wall (6), the horizontal reinforcement (5.1) of strut rail cob wall (5) welds with the steel floor (7) on corresponding soldier pile, the outer row of horizontal reinforcing bar (4.1) of outer retaining wall (4) is arranged in the horizontal U-shaped mouth (7.1) of steel floor (7), is provided with polyphenyl topping (16) between waterproof roll (15) and outer retaining wall (4);
Step 8, carry out two times tensioning to the anchored end (3.1) of anchor cable (2), anchor cable pulling force reaches Design of Retaining Structure requirement, with concrete enclosing after stretch-draw completes;
Step 9, at soldier pile (1) and construction top, retaining wall top Guan Liang (17).
9. the constructive method of the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 8, is characterized in that: described step 7, and construction retaining wall starts construct on Base isolation system (8) Seismic Isolation of Isolation Layer (11) and major structure of construction (12) simultaneously.
10. the constructive method of the shock insulation ditch enclosure wall of deep foundation isolation structure according to claim 8, is characterized in that: continue construction building agent structure (12) after described step 9, stops precipitation.
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| CN105804090B (en) * | 2016-04-15 | 2017-10-27 | 江西建工第二建筑有限责任公司 | A kind of indoor piling wall supporting construction and its construction method |
| CN105908759A (en) * | 2016-06-12 | 2016-08-31 | 中国十七冶集团有限公司 | Device for reinforcing concrete sprayed in deep foundation pit and construction method |
| CN107975043B (en) * | 2018-01-05 | 2019-08-20 | 沙焕焕 | Foundation pit supporting construction and underground structure, basic integrated structure |
| CN108487302B (en) * | 2018-04-02 | 2020-05-08 | 山东建筑大学 | Composite retaining pile wall for supporting piles, retaining wall and pile foundation and construction method |
| CN109235490B (en) * | 2018-11-16 | 2024-05-03 | 青岛业高建设工程有限公司 | Retaining wall and construction method thereof |
| CN112281868A (en) * | 2020-10-27 | 2021-01-29 | 华南理工大学 | Support system and method combining temporary foundation pit support and permanent slope support |
| CN115419107A (en) * | 2022-09-17 | 2022-12-02 | 上海建工一建集团有限公司 | Soil piling structure for artificial mountain-shaped building in deformation sensitive area and construction method thereof |
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| RU2224069C1 (en) * | 2002-07-25 | 2004-02-20 | Кубанский государственный аграрный университет | Anti-landslide structure |
| CN201738343U (en) * | 2010-07-16 | 2011-02-09 | 武汉理工大学 | Barrier vibration isolation integrated with diaphram wall and spraying-anchor support |
| CN203320532U (en) * | 2013-04-28 | 2013-12-04 | 中南大学 | Protection device of nearby pile foundation close to deep foundation pit |
| CN103526781B (en) * | 2013-10-12 | 2015-09-09 | 北京筑福国际工程技术有限责任公司 | A kind of ancient architecture foundation integrated pallet base isolation reinforcement structure and construction method thereof |
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Address after: 100120 Beijing Xicheng District Dewai Street No. 12 Patentee after: CHINA AVIATION PLANNING AND DESIGN INSTITUTE (GROUP) CO., LTD. Address before: 100120 Beijing Xicheng District Dewai Street No. 12 Patentee before: China Aviation Planning and Construction Development Co., Ltd. |