CN105756185A - Building adopting support-floor slab type basement structure - Google Patents
Building adopting support-floor slab type basement structure Download PDFInfo
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- CN105756185A CN105756185A CN201510990709.5A CN201510990709A CN105756185A CN 105756185 A CN105756185 A CN 105756185A CN 201510990709 A CN201510990709 A CN 201510990709A CN 105756185 A CN105756185 A CN 105756185A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
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Abstract
The invention relates to a building adopting a support-floor slab type basement structure, which comprises a flat slab and a plurality of supports arranged under the flat slab, a plurality of columns which are perpendicular to the flat slab are respectively arranged at positions respectively corresponding to each support above the flat slab, and one or more supporting columns are arranged under each support. Such a structure dispenses with a beam structure, consequently, not only can part of concrete material and reinforcing steel bar material be saved, but also the requirement on earth-rock excavation depth can be decreased and the difficulty of basement floor slab formwork and waterproof layer construction can be decreased, the construction technology is optimized, and the difficulty and workload of construction are decreased on the whole.
Description
Technical field
The present invention relates to building structure field, specifically a kind of employing bearing-bottom board type basement structure
Building.
Background technology
In skyscraper and non-skyscraper, it is often provided with basement structure.At basement structure
Bottom parts in, have three kinds of stresses, be the downward gravity acting on plate top surface respectively
Loading status, act on base plate bottom surface water buoyant state upwards and act on base plate bottom surface to
On people's air defense dynamic load state, three of the above force status may individually, two or three deposit simultaneously
?.In the presence of when these three force status while, may can cancel out each other each other, but the end of to
In the design of plate, when calculating force status, only consider state the most disadvantageous to base plate.I.e. calculate to
Do not consider the negative function of upwards load during the force status of lower load, calculate the stress of upwards load
The deadweight of downward load is only considered during operating mode.
Existing basement bottom board typically has one or more layers, and its structure generally uses and main body on the ground
The beam and slab type structure that structure is identical.In beam and slab type structure, owing to the load on foundation beam is the most inclined
Greatly, so the sectional dimension of foundation beam need to be arranged relatively big with bearing load, thus basis is caused
The quantity of reinforcement of beam is big.It addition, foundation beam needs downwardly projecting bottom surface to arrange, this not only adds soil
The excavation project amount of stone and difficulty of construction, also add difficulty of construction and the quantities of base plate waterproofing,
Increase building and infrastructure cost, reduce economic benefit.
Summary of the invention
Present invention solves the technical problem that being to provide one reasonably uses bearing-bottom board type basement
The building of structure, simplifies construction technology, reduces the cost that basement bottom board is built.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of building using bearing-bottom board type basement structure is provided, described building is provided with underground
Cell structure, the floor part of described basement structure includes flat board and is located at below described flat board with propping up
Some bearings, are being respectively equipped with vertically corresponding to the position of bearing each described above described flat board
Below some posts of described flat board, each described bearing, it is provided with one or more supports stake.
Further, described post on described flat board projection rectangular array distribution, transverse post away from
For a, longitudinal post is away from for b, 0.6≤a/b≤1.67, a≤15m, b≤15m.
Wherein, the value of a/b refers to the arbitrary point value in this numerical range, such as a/b=0.6,
A/b=0.7, a/b=0.8, a/b=0.9, a/b=1, a/b=1.2, a/b=1.25, a/b=1.3,
A/b=1.4, a/b=1.5, a/b=1.6 or a/b=1.67.In a≤15m refers to this numerical range
Arbitrary point value, such as a=15m, a=14m, a=12m, a=10m, a=9m, a=8m, a=7
M, a=6m, a=5m, a=4m, a=3m, a=2m or a=1m.B≤15m refers to this numerical value
In the range of arbitrary point value, such as b=15m, b=14m, b=12m, b=10m, b=9m,
B=8m, b=7m, b=6m, b=5m, b=4m, b=3m, b=2m or b=1m.
Preferably, 0.8≤a/b≤1.25, a≤10m, b≤10m.It is highly preferred that a/b=1,
A=10m, b=10m.
Further, described bearing is cushion cap or natural foundation, and described cushion cap is single pile cap or many
Pile framing, described support stake is arranged on below described cushion cap and the top of described support stake is stretched into described
Inside cushion cap, or described support stake is embedded in described natural foundation.
Further, described bearing is supporting plate or cap, and described support stake is arranged under described bearing
Side, and between described bearing and described support stake, it is provided with cushion cap or natural foundation, described cushion cap is
Single pile cap or grouped piles cap, described support stake is arranged on below described cushion cap and described support stake
Top is stretched into inside described cushion cap, or described support stake is embedded in described natural foundation.
Further, the thickness of described bearing more than or equal to the thickness of described flat board, described
Seat transverse width of projection on described flat board is A, longitudinally wide for B, 0.2≤A/a≤0.5,
0.2≤B/b≤0.5。
Wherein, the value of A/a refers to the arbitrary point value in this numerical range, such as A/a=0.2, A/a
=0.25, A/a=0.3, A/a=0.35, A/a=0.4, A/a=0.45 or A/a=0.5.B/b
Value refer to the arbitrary point value in this numerical range, such as B/b=0.2, B/b=0.25, B/b=0.3,
B/b=0.35, B/b=0.4, B/b=0.45 or B/b=0.5.
Preferably, 0.3≤A/a≤0.35,0.3≤B/b≤0.35.It is highly preferred that A=3m, B=3
M, A/a=0.3, B/b=0.3.
Further, described bearing is cap, and described cap is by the top being parallel to described plate level
Face and bottom surface, between the end face being located at described cap and bottom surface and favour week of described plate level
Constituting to side, being shaped as of described cap vertical cross-section is trapezoidal, the most transversal at described cap
In face, the transverse width of described cap end face is more than the transverse width of described cap bottom surface, described post
Crown face has angle with described cap peripheral side shape, and the angle of this angle is less than or equal to
30°。
Further, described flat board is divided into some first flat boards being positioned at below each described support column
Part and be positioned at some second plate parts outside described first plate part, is positioned at institute with correspondence
Centered by stating the central axis of described support column above the first plate part, big to laterally extending
In or equal to the lateral extent that width is described first plate part of (1/4) × a, to
Extending longitudinally beyond the width range more than or equal to (1/4) × b is described first plate part
Longitudinally wide scope.
Further, described first plate part and the end face of described second plate part and bottom surface are equal
Being provided with elongated reinforcing bar, described elongated reinforcing bar is elongated in described cushion cap or described natural foundation, described
The end face of the second plate part and/or bottom surface are provided with bar dowel, the end face of described first plate part and
/ or the bottom surface of described bearing in be provided with described bar dowel, the anchoring of described bar dowel in described bearing
Access in described flat board.
Preferably, the bottom surface of described second plate part and the end face of described first plate part are provided with
Described bar dowel.
Preferably, the end face of described second plate part and the bottom surface of described first plate part are provided with
Described bar dowel.
Further, described bearing is additionally provided with described elongated reinforcing bar, in described bearing, described
Elongated reinforcing bar and described bar dowel interval are arranged, and described elongated reinforcing bar connects with the anchoring of described bar dowel
Enter in described flat board.
Further, the thickness of described flat board is less than or equal to 1m.
Further, when described bearing is to be provided with cushion cap below cushion cap or described bearing, described
Being provided with bed course below cushion cap, the thickness of described bed course is more than or equal to 100mm.
Further, the floor of described building is less than or equal to 10 layers.
Compared with prior art, have the beneficial effect that:
In the building of the present invention, the bottom parts of basement structure eliminates girder construction, the most permissible
Save part concrete material and bar material, it is also possible to reduce the requirement to soil stone cutting depth,
And reduce basement bottom board formwork and the difficulty of construction of waterproof layer, and optimize construction technology, overall
On reduce difficulty of construction and workload.This structure is particularly suitable for non-skyscraper.
Additionally, flat board is divided into the first less plate part of some spans and the second plate part,
The horizontal and vertical both direction making flat board all can transmit stress.Meanwhile, according to ground below flat board
Situation arranges different types of bearing flexibly, for bearing load, makes being subject to of basement floor constructions
Power is more reasonable, even if reducing thickness and the arrangement of reinforcement of flat board, remains to meet the function of basement bottom board
Requirement.
Accompanying drawing explanation
Fig. 1 is the floor map of the bottom parts of embodiment one basement structure.
Fig. 2 is the generalized section of H-H line in Fig. 1.
Fig. 3 is one of deformation of structure in Fig. 2.
Fig. 4 is the schematic diagram of the bottom parts preparation reinforcing bar of embodiment one basement structure.
Fig. 5 is the floor map of the bottom parts of embodiment two basement structure.
Fig. 6 is the generalized section of H-H line in Fig. 5.
Fig. 7 is the schematic diagram of the bottom parts preparation reinforcing bar of embodiment two basement structure.
Fig. 8 is the floor map of the bottom parts of embodiment three basement structure.
Fig. 9 is the generalized section of H-H line in Fig. 8.
Figure 10 (a) is the structural representation of cap in embodiment three.
Figure 10 (b) be one of deformation of embodiment three center pillar cap,
Figure 11 is the schematic diagram of the bottom parts preparation reinforcing bar of embodiment three basement structure.
Detailed description of the invention
In the present invention, term " on ", D score, "left", "right", "front", "rear", " eastern ",
" western ", " southern ", " northern ", " top ", " end ", " interior ", " outward ", " in ", " vertically ", " level ",
Orientation or the position relationship of the instruction such as " laterally ", " longitudinally " are based on orientation shown in the drawings or position
Put relation, be merely to illustrate the relative position relation between each parts or ingredient, the most especially
Limit the concrete installation position of each parts or ingredient.
Further, above-mentioned part term, in addition to can be used to indicate that orientation or position relationship, also may be used
Can be used for representing other implications, such as term " on " also be likely used in some cases representing certain
Plant the relations of dependence or annexation.For those of ordinary skills, can be according to specifically
Situation understands these terms concrete meaning in the present invention.
Additionally, term " is installed ", " setting ", " being provided with ", " connection ", " being connected " should do broad sense
Understand.Connect for example, it may be fixing, removably connect, or monolithic construction；It can be machine
Tool connects, or electrical connection；Can be to be joined directly together, or be indirectly connected to by intermediary,
Or be two devices, connection internal between element or ingredient.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Additionally, term " first ", " second " etc. are mainly used for distinguishing different parts or composition
Part, is not intended to show or imply indicated parts or the relative importance of ingredient and quantity.
Except as otherwise noted, the implication of " multiple " is two or more.
Below in conjunction with embodiment and accompanying drawing, technical scheme is further described.
Embodiment one
The building that the present embodiment provides a kind of floor to be 10 layers, is provided with basement structure in this building,
As depicted in figs. 1 and 2, the bottom parts of this basement structure includes flat board 1 and is located at flat board
Bearing 3 below 1, is respectively equipped with in the position corresponding to each bearing above flat board 1 and is perpendicular to
The post 2 of flat board 1, is provided with support stake 41 below each bearing.Wherein, post 2 is on flat board 1
Projection rectangular array distribution, transverse post is away from for a, and longitudinal post is away from for b.
Specifically, the post 2 of the present embodiment includes four posts 21,22,23,24, post 21,22,
23,24 projections on flat board 1 lay respectively at the upper left side of flat board 1, upper right side, lower left and
Lower right, four form rectangular array distribution.Wherein, two adjacent pillars projection on flat board 1
Laterally (i.e. left and right directions in Fig. 1) post is away from for a, i.e. post 23 and post 24 (or post 21 He
Post 22) post between projection on flat board 1 is away from for a, longitudinally (i.e. above-below direction in Fig. 1)
Post is between for projection on flat board 1 of b, i.e. post 21 and post 23 (or post 22 and post 24)
Post away from for b, a/b=1, a=10m, b=10m.
In the present invention, bearing both can be cushion cap or natural foundation, it is also possible to is supporting plate or cap,
Concrete depending on the ground situation in construction place.Wherein, cushion cap can be single pile cap or
Grouped piles cap, and when the bottom parts of this basement structure is provided with cushion cap, pad below cushion cap
Being provided with a bed course, the thickness of this bed course is more than or equal to 100mm.When bearing is natural foundation,
Support stake to be embedded in natural foundation.When bearing is grouped piles cap, as it is shown on figure 3, these many
Below cushion cap 32, pad is provided with a bed course 5, and the top supporting stake 42,43 enters through this bed course 5
To the inside of grouped piles cap 32, so that supporting stake 42,43 to be collectively forming stake with grouped piles cap 32
Basis.When bearing is single pile cap, it is the case for this embodiment, as in figure 2 it is shown, now,
Below single pile cap 31, pad is provided with a bed course 5, and the top supporting stake 41 is stretched into through this bed course 5
Internal to single pile cap 31, so that supporting stake 41 to be collectively forming pile foundation with single pile cap 41.
It addition, the thickness of single pile cap 31 is more than or equal to the thickness of flat board 1, and, in conjunction with Fig. 1
Shown in Fig. 2, as the single pile cap 31 (bearing 3 in single pile cap 31 i.e. Fig. 1) of bearing
On flat board 1, the transverse width of projection is A, longitudinally wide for B, 0.2≤A/a≤0.5,0.2
≤ B/b≤0.5, preferably 0.3≤A/a≤0.35,0.3≤B/b≤0.35, such as, work as a=10m,
During b=10m, A=3m, B=3m.
It is understood that in the present invention, building rule are not met when the width of single pile cap is less
When model requires, can be by the width expansion of single pile cap, make that single pile cap projects on flat board is horizontal
Width A and adjacent pillars project on flat board between the transverse post ratio away from a meet 0.2≤A/a≤
0.5, between making longitudinally wide B that single pile cap projects on flat board and adjacent pillars project on flat board
Longitudinal post ratio away from b meet 0.2≤B/b≤0.5.
As it is shown in figure 1, in the present embodiment, flat board 1 is divided into and is positioned at post 21,22,23,24
First plate part 11 of lower section and the second plate part outside being positioned at the first plate part 11
12, the first plate part 11 is the rectangular slab that thickness is identical with the second plate part 12, and the two is thick
Degree is respectively less than or equal to 1m.In the present invention, in order to ensure that flat board has good bearing load
Ability, the first plate part and the transverse width of the second plate part and longitudinally wide close, make
Each side obtaining the first plate part and the second plate part all can bear and transmit what load applied
Power.As a example by being positioned at the first plate part 11 below post 24, with post 24 along longitudinally (i.e. Fig. 1
Middle above-below direction) central axis centered by, extend to laterally (i.e. left and right directions in Fig. 1)
(1/4) width of × a is the lateral extent of this first plate part 11, with post 24 along horizontal stroke
To central axis centered by, be this first flat part to the width extending longitudinally beyond (1/4) × a
Divide the longitudinally wide scope of 11.The transverse width of the i.e. first plate part 11 is (1/2) × a,
This transverse width be vertical central axis alignment left horizontal expansion (the 1/4) × a with post 24 away from
From the distance sum with horizontal expansion to the right (1/4) × a.The longitudinal direction of the first plate part 11
Width is (1/2) × a, and this is longitudinally wide for the most longitudinally to prolong with the central transverse axis of post 24
Stretch the distance of (1/4) × a and the distance sum of longitudinal extension (1/4) × a downwards.
As shown in Figure 4, in the present embodiment, at the first plate part 11 and the second plate part 12
End face and bottom surface be equipped with elongated reinforcing bar 6, and this elongated reinforcing bar 6 is the most elongated.Second
The end face of plate part 12 and/or bottom surface are provided with bar dowel 7, the end face of the first plate part 11 and
/ or the bottom surface of bearing also be provided with bar dowel 7, and bar dowel 7 anchoring in the holder is linked into flat board
In 1.It is understood that the technology of the present invention is by rationally arranging the number of elongated reinforcing bar and bar dowel
Amount and position ensure the bearing capacity of bottom parts of basement structure, therefore, elongated reinforcing bar and
The arrangement of reinforcement of bar dowel can meet the intensity under the bottom parts load operating mode effect of basement structure
Require with crack.Such as, when basement structure bottom parts mainly by from ground to
Under gravity and during pressure, the bottom surface of described second plate part and the top of described first plate part
Face is provided with bar dowel.When the bottom parts of basement structure is mainly by from subsoil water upwards floating
Masterpiece used time, the end face of described second plate part and the bottom surface of described bearing arrange bar dowel.
It is understood that in the present invention, the quantity of the composition such as post, bearing or stake structure does not limits
Quantity in the present embodiment, in actual construction, can be according to the base plate of basement structure
The construction area demand of part arranges the above-mentioned post of varying number, bearing or supports the structures such as stake.
Embodiment two
The building that the present embodiment provides a kind of floor to be 6 layers, is provided with basement structure in this building,
As shown in Figure 5 and Figure 6, the bottom parts of this basement structure includes flat board 1 and is located at flat board
Bearing 3 below 1, is respectively equipped with in the position corresponding to each bearing above flat board 1 and is perpendicular to
The post 2 of flat board 1, is provided with support stake 41 below each bearing.Wherein, post 2 is on flat board 1
Projection rectangular array distribution, transverse post is away from for a, and longitudinal post is away from for b.
Specifically, the post 2 of the present embodiment includes four posts 21,22,23,24, post 21,22,
23,24 projections on flat board 1 lay respectively at the upper left side of flat board 1, upper right side, lower left and
Lower right, four form rectangular array distribution.Wherein, two adjacent pillars projection on flat board 1
Laterally (i.e. left and right directions in Fig. 1) post is away from for a, i.e. post 23 and post 24 (or post 21 He
Post 22) post between projection on flat board 1 is away from for a, longitudinally (i.e. above-below direction in Fig. 1)
Post is between for projection on flat board 1 of b, i.e. post 21 and post 23 (or post 22 and post 24)
Post away from for b, a/b=1, a=10m, b=10m.
In the present embodiment, the width of single pile cap 31 is less and this width should not expand, therefore,
The bearing of the present embodiment is set to supporting plate 33, and single pile cap 31 is then located at below supporting plate 33.Wherein,
Below single pile cap 31, also pad is provided with the thickness bed course 5 more than or equal to 100mm, supports
It is internal that the top of stake 41 extend into single pile cap 31 through this bed course 5, so that supporting stake 41
It is collectively forming pile foundation with single pile cap 31.Additionally, the thickness of this supporting plate 33 is more than or equal to
The thickness of flat board 1, and, shown in Fig. 5 and Fig. 6, as the supporting plate 33 of bearing at flat board
On 1, the transverse width of projection is A, longitudinally wide for B, 0.2≤A/a≤0.5,0.2≤B/b≤
0.5, preferably 0.3≤A/a≤0.35,0.3≤B/b≤0.35, such as, work as a=10m, b=10m
Time, A=3m, B=3m.
As it is shown in figure 5, in the present embodiment, flat board 1 is divided into and is positioned at post 21,22,23,24
First plate part 11 of lower section and the second plate part outside being positioned at the first plate part 11
12, the first plate part 11 is the rectangular slab that thickness is identical with the second plate part 12, and the two is thick
Degree is respectively less than or equal to 1m.In the present invention, in order to ensure that flat board has good bearing load
Ability, the first plate part and the transverse width of the second plate part and longitudinally wide close, make
Each side obtaining the first plate part and the second plate part all can bear and transmit what load applied
Power.As a example by being positioned at the first plate part 11 below post 24, with post 24 along longitudinally central axle
Centered by line, to the horizontal stroke that width is this first plate part 11 laterally extending (1/4) × a
To width range, centered by post 24 central axis transversely, to extending longitudinally beyond (1/4)
The width of × a is the longitudinally wide scope of this first plate part 11.That is, the first plate part 11
Transverse width be (1/2) × a, this transverse width is the vertical central axis alignment left with post 24
The distance of horizontal expansion (1/4) × a and the distance sum of horizontal expansion to the right (1/4) × a.
The longitudinally wide of first plate part 11 is (1/2) × a, and this is longitudinally wide is with the horizontal stroke of post 24
To the distance of central axis longitudinal extension upward (1/4) × a and longitudinal extension (1/4) downwards
The distance sum of × a.
Shown in Fig. 6 and Fig. 7, in the present embodiment, at the first plate part 11 and the second flat board
The end face of part 12 and bottom surface are equipped with elongated reinforcing bar 6, and this elongated reinforcing bar is elongated in supporting plate.
The end face of the second plate part 12 and/or bottom surface are provided with bar dowel 7, the top of the first plate part 11
The bottom surface of face and/or supporting plate 33 also is provided with bar dowel 7, and the bar dowel 7 in supporting plate 33 anchors
It is linked in flat board 1.It addition, be additionally provided with elongated reinforcing bar in supporting plate, arrange in pairs or groups for length muscle,
I.e. arranged by the interval of elongated reinforcing bar and reinforcing bar, strengthen the bearing capacity of supporting plate, it is to avoid supporting plate is curved
The situations such as square larger part recurring structure fracture.It is understood that the technology of the present invention is by rationally setting
Put elongated reinforcing bar and the quantity of bar dowel and position to ensure the carrying of the bottom parts of basement structure
Ability, therefore, the arrangement of reinforcement of elongated reinforcing bar and bar dowel can meet the bottom parts institute of basement structure
Required by the intensity under load case effect and crack.Such as, when the base plate of basement structure
Part is main to be subject to from ground when prone gravity and pressure, the bottom surface of described second plate part
It is provided with bar dowel with the end face of described first plate part.When the bottom parts of basement structure is main
By during from subsoil water buoyancy upwards, the end face of described second plate part and described the
The bottom surface of one plate part arranges bar dowel.
It is understood that in the present invention, post, bearing or support stake etc. form the quantity of structures
The quantity being not limited in the present embodiment, in actual construction, can be according to basement bottom board
Construction area demand arranges the structures such as above-mentioned post, bearing or the stake of varying number.
Embodiment three
The building that the present embodiment provides a kind of floor to be 5 layers, is provided with basement structure in this building,
As shown in Figure 8 and Figure 9, the bottom parts of this basement structure includes flat board 1 and is located at flat board
Bearing 3 below 1, is respectively equipped with in the position corresponding to each bearing above flat board 1 and is perpendicular to
The post 2 of flat board 1, is provided with support stake 41 in each bearing inside or below.Wherein, post 2 is at flat board
Projection rectangular array distribution on 1, transverse post is away from for a, and longitudinal post is away from for b.
Specifically, the post 2 of the present embodiment includes four posts 21,22,23,24, post 21,22,
23,24 projections on flat board 1 lay respectively at the upper left side of flat board 1, upper right side, lower left and
Lower right, four form rectangular array distribution.Wherein, two adjacent pillars projection on flat board 1
Laterally (i.e. left and right directions in Fig. 1) post is away from for a, i.e. post 23 and post 24 (or post 21 He
Post 22) post between projection on flat board 1 is away from for a, longitudinally (i.e. above-below direction in Fig. 1)
Post is between for projection on flat board 1 of b, i.e. post 21 and post 23 (or post 22 and post 24)
Post away from for b, a/b=1, a=10m, b=10m.
In the present embodiment, the width of single pile cap 31 is less and this width should not expand, therefore,
The bearing of the present embodiment is set to cap 34, and single pile cap 31 is then located at below cap 34.Wherein,
As shown in Figure 10 (a), this cap 34 by be parallel to the end face 341 of flat board 1 and bottom surface 342,
The peripheral side 343 being located between end face 341 and bottom surface 342 and favouring flat board 1 is constituted, as
Shown in Fig. 9, being shaped as of this cap vertical cross-section is trapezoidal, in this vertical cross-section, and cap top
The transverse width in face is formed with cap peripheral side more than the transverse width of cap bottom surface, cap end face
Angle angle less than or equal to 30 °.It is understood that in Figure 10 (a), this post
Cap 34 is trapezoidal terrace with edge, it practice, this cap can be to have various deformation form, such as Figure 10
Round platform in (b).Wherein, below single pile cap 31, also pad is provided with a thickness and is more than or equal to
The bed course 5 of 100mm, the top supporting stake 41 extend in single pile cap 31 through this bed course 5
Portion, so that supporting stake 41 to be collectively forming pile foundation with single pile cap 41.It addition, this cap 34
Thickness more than or equal to the thickness of flat board 1, and, shown in Fig. 8 and Fig. 9, as
The transverse width that the cap 34 of bearing projects on flat board 1 is A, longitudinally wide for B, 0.2≤A/a
≤ 0.5,0.2≤B/b≤0.5, preferably 0.3≤A/a≤0.35,0.3≤B/b≤0.35, example
As, work as a=10m, during b=10m, A=3m, B=3m.
As shown in Figure 8, in the present embodiment, flat board 1 is divided into and is positioned at post 21,22,23,24
First plate part 11 of lower section and the second plate part outside being positioned at the first plate part 11
12, the first plate part 11 is the rectangular slab that thickness is identical with the second plate part 12, and the two is thick
Degree is respectively less than or equal to 1m.In the present invention, in order to ensure that flat board has good bearing load
Ability, the first plate part and the transverse width of the second plate part and longitudinally wide close, make
Each side obtaining the first plate part and the second plate part all can bear and transmit what load applied
Power.As a example by being positioned at the first plate part 11 below post 24, with post 24 along longitudinally central axle
Centered by line, to the horizontal stroke that width is this first plate part 11 laterally extending (1/4) × a
To width range, centered by post 24 central axis transversely, to extending longitudinally beyond (1/4)
The width of × a is the longitudinally wide scope of this first plate part 11.That is, the first plate part 11
Transverse width be (1/2) × a, this transverse width is the vertical central axis alignment left with post 24
The distance of horizontal expansion (1/4) × a and the distance sum of horizontal expansion to the right (1/4) × a.
The longitudinally wide of first plate part 11 is (1/2) × a, and this is longitudinally wide is with the horizontal stroke of post 24
To the distance of central axis longitudinal extension upward (1/4) × a and longitudinal extension (1/4) downwards
The distance sum of × a.
Shown in Fig. 9 and Figure 11, in the present embodiment, flat at the first plate part 11 and second
The end face of plate part 12 and bottom surface are equipped with elongated reinforcing bar 6, and this elongated reinforcing bar 6 is at cap 34
In elongated.The end face of the second plate part 12 and/or bottom surface are provided with bar dowel 7, the first flat part
The end face of points 11 and/or the bottom surface of cap 34 also are provided with bar dowel 7, and short in cap 34
Reinforcing bar 7 anchoring is linked in flat board 1.It addition, be additionally provided with elongated reinforcing bar 6 in cap 34, use
Arrange in pairs or groups in length muscle, i.e. arranged by the interval of elongated reinforcing bar and reinforcing bar, strengthen the carrying energy of supporting plate
Power, it is to avoid the situations such as supporting plate moment of flexure larger part recurring structure fracture.It is understood that the present invention
Technology ensures basement structure by the quantity and position rationally arranging elongated reinforcing bar and bar dowel
The bearing capacity of bottom parts, therefore, the arrangement of reinforcement of elongated reinforcing bar and bar dowel can meet basement knot
Intensity and crack under the bottom parts load operating mode effect of structure require.Such as, local
The bottom parts of lower cell structure is mainly subject to from ground when prone gravity and pressure, the second flat board
The bottom surface of part and the end face of the first plate part are provided with bar dowel.Base plate when basement structure
Point main by during from subsoil water buoyancy upwards, the end face of the second plate part and first
The bottom surface of plate part arranges bar dowel.
It is understood that in the present invention, the quantity of the composition such as post, bearing or stake structure does not limits
Quantity in the present embodiment, in actual construction, can be according to the building of basement bottom board
Area requirements arranges the structures such as above-mentioned post, bearing or the stake of varying number.
Claims (10)
1. use a building for bearing-bottom board type basement structure, described building is provided with underground
Cell structure, it is characterised in that: the bottom parts of described basement structure includes flat board and is located at institute with propping up
State the some bearings below flat board, corresponding to the position of bearing each described above described flat board
It is respectively equipped with the some posts being perpendicular to described flat board, below described bearing, is provided with one or more
Support stake.
Building the most according to claim 1, it is characterised in that: described post is on described flat board
The distribution of projection rectangular array, transverse post away from for a, longitudinal post away from for b, 0.6≤a/b≤1.67,
A≤15m, b≤15m.
Building the most according to claim 1, it is characterised in that: described bearing is cushion cap or sky
So basis, described cushion cap is single pile cap or grouped piles cap, and described support stake is arranged on described cushion cap
The top of lower section and described support stake is stretched into inside described cushion cap, or described stake is embedded in described sky
So in basis.
Building the most according to claim 1, it is characterised in that: described bearing is supporting plate or post
Cap, described support stake is arranged on below described bearing, and between described bearing and described support stake
Being provided with cushion cap or natural foundation, described cushion cap is single pile cap or grouped piles cap, and described support stake sets
Put below described cushion cap and the top of described support stake is stretched in described cushion cap, or described support
Stake is embedded in described natural foundation.
Building the most according to claim 4, it is characterised in that: described bearing is cap, institute
State cap by end face and bottom surface, the end face being located at described cap and the end being parallel to described plate level
Between face and favour described plate level peripheral side constitute, described cap vertical cross-section
Being shaped as trapezoidal, in described cap vertical cross-section, the transverse width of described cap end face is more than
The transverse width of described cap bottom surface, described cap end face and described cap peripheral side form a folder
Angle, the angle of described angle is less than or equal to 30 °.
6. according to the building described in any one of claim 1 to 5, it is characterised in that: described bearing
Thickness more than or equal to the thickness of described flat board, the horizontal stroke that described bearing projects on described flat board
It is A to width, longitudinally wide for B, 0.2≤A/a≤0.5,0.2≤B/b≤0.5.
7. according to the building described in claim 3 or 4, it is characterised in that: described flat board is divided into
It is positioned at some first plate parts below each described post and is positioned at outside described first plate part
Some second plate parts, are positioned at the center of described post above described first plate part with correspondence
Centered by axis, it is described first to the width laterally extended more than or equal to (1/4) × a
The lateral extent of plate part, to extending longitudinally beyond the width more than or equal to (1/4) × b
Degree scope is the longitudinally wide scope of described first plate part.
Building the most according to claim 7, it is characterised in that: described first plate part and
The end face of described second plate part and bottom surface are equipped with elongated reinforcing bar, and described elongated reinforcing bar is described
In cushion cap or described natural foundation elongated, end face and/or the bottom surface of described second plate part are provided with short
Reinforcing bar, the end face of described first plate part and/or the bottom surface of described bearing are provided with described short steel
Muscle, the described bar dowel anchoring in described bearing accesses in described flat board.
Building the most according to claim 8, it is characterised in that: described bearing is additionally provided with institute
Stating elongated reinforcing bar, in described bearing, described elongated reinforcing bar and described bar dowel interval are arranged, and
Described elongated reinforcing bar is linked in described flat board with the anchoring of described bar dowel.
Building the most according to claim 1, it is characterised in that: the floor of described building is few
In or equal to 10 layers.
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| CN201510990709.5A CN105756185B (en) | 2015-12-24 | 2015-12-24 | Using support-bottom board type basement structure building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990709.5A CN105756185B (en) | 2015-12-24 | 2015-12-24 | Using support-bottom board type basement structure building |
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| CN105756185A true CN105756185A (en) | 2016-07-13 |
| CN105756185B CN105756185B (en) | 2019-02-15 |
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|---|---|---|---|---|
| EP0458703A1 (en) * | 1990-05-23 | 1991-11-27 | Misawa Homes Co. Ltd | Prefabricated concrete basement and process for constructing the same |
| CN202047419U (en) * | 2011-04-18 | 2011-11-23 | 苏州市建筑设计研究院有限责任公司 | Foundation bottom plate with column cap of beamless underground parking garage |
| CN203066097U (en) * | 2013-01-05 | 2013-07-17 | 江苏省城市规划设计研究院 | Piled raft foundation structure of stub-type pile bearing platform structure |
| CN203569590U (en) * | 2013-10-21 | 2014-04-30 | 杨洪 | Connecting structure of basement bottom board and under-column enlarged heads of building |
| CN204139202U (en) * | 2014-09-05 | 2015-02-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of base arrangement of underground structure |
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2015
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|---|---|---|---|---|
| EP0458703A1 (en) * | 1990-05-23 | 1991-11-27 | Misawa Homes Co. Ltd | Prefabricated concrete basement and process for constructing the same |
| CN202047419U (en) * | 2011-04-18 | 2011-11-23 | 苏州市建筑设计研究院有限责任公司 | Foundation bottom plate with column cap of beamless underground parking garage |
| CN203066097U (en) * | 2013-01-05 | 2013-07-17 | 江苏省城市规划设计研究院 | Piled raft foundation structure of stub-type pile bearing platform structure |
| CN203569590U (en) * | 2013-10-21 | 2014-04-30 | 杨洪 | Connecting structure of basement bottom board and under-column enlarged heads of building |
| CN204139202U (en) * | 2014-09-05 | 2015-02-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of base arrangement of underground structure |
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| CN105756185B (en) | 2019-02-15 |
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