CN104532822B - The Dynamic Construction method of the structure that a kind of foundation bearing capacity improves - Google Patents
The Dynamic Construction method of the structure that a kind of foundation bearing capacity improves Download PDFInfo
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- CN104532822B CN104532822B CN201410841374.6A CN201410841374A CN104532822B CN 104532822 B CN104532822 B CN 104532822B CN 201410841374 A CN201410841374 A CN 201410841374A CN 104532822 B CN104532822 B CN 104532822B
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- circular cone
- bearing capacity
- foundation bearing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
It is an object of the invention to provide the Dynamic Construction method of the structure that a kind of foundation bearing capacity that can realize tackling the ANOMALOUS VARIATIONS of ground well improves.Comprising: the prospecting step of overview prospecting detection；Design procedure, wherein, according to overview prospecting result of detection and design load requirement, the structure that the foundation bearing capacity of design standard improves and default corresponding structure, this structure includes circular cone layer, this layer by transversely and and multiple circular cones of setting constitute, circular cone includes cone portion and footing portion；Construction procedure, it includes A) limit performs the construction of normal structure, while dynamically reconnoitre detection；B) being certain region, overview prospecting detection, with when dynamically prospecting detection has deviation, selects the preset structure being suitable for, constructs according to it, in preset structure, compared with normal structure, and the parameter change of circular cone.
Description
Technical field
The present invention relates to the construction method of basement process.
Background technology
In the past, people know to have have circular cone (being commonly referred to as " gyro stake " in this industry)
The structure that the foundation bearing capacity of layer improves, it includes circular cone layer, transversely, this circular cone layer bag
Including multiple circular cones arranged side by side, this circular cone includes bullet and footing portion, for this foundation bearing capacity
The structure improved, the most so construction, first carry out overview prospecting detection, be then based on this and survey
Examine result of detection, carry out standard design, construct then according to standard design.Lacking of which
Point is that the geological conditions not accounting for ground is changeable, prospecting before construction detection often with reality
The physical state of the ground constructed different, but set in construction amendment standard the most indistinctively
Meter, as a result of which it is, the structure that the foundation bearing capacity after being constructed improves often does not meets upper load
Requirement, the sedimentation causing circular cone is excessive, or attitude is lost shape, or deformation, produces overall inequality
Even sedimentation.
The content of invention
It is an object of the invention to provide the different of a kind of physical property that can realize tackling ground well
The often Dynamic Construction method of the structure that the foundation bearing capacity of change improves, in order to meet final design
Load requirement.
To achieve these goals, the present invention relates to the dynamic of the structure that a kind of foundation bearing capacity improves
State construction method, the Dynamic Construction method of the structure that this foundation bearing capacity improves includes:
Prospecting step, in this step, the geological state to the ground constructed, with sample mode
Carry out overview prospecting detection；
Design procedure, in this step, according to the overview prospecting detection knot drawn in prospecting step
Fruit and design load requirement, the structure that the foundation bearing capacity of design standard improves, and preset difference
The structure improved of the foundation bearing capacity of load-carrying properties, the structure that this foundation bearing capacity improves includes
Circular cone layer, this circular cone layer is made up of multiple circular cones, and the plurality of circular cone is along this circular cone layer
Laterally being set up in parallel, this circular cone includes cone portion, and this cone portion is positioned at the top of circular cone；Stake
Foot, this footing portion is positioned at the bottom of circular cone, and is positioned at the lower section of above-mentioned cone portion, along horizontal
To and be disposed with material between block between the adjacent conical block that is set up in parallel；
Construction procedure, this step includes:
A) while what the foundation bearing capacity performing standard designed in above-mentioned design procedure improved
The construction of structure, the geological state to the ground of hot work in progress carries out dynamic concrete prospecting at any time
Detection；
B) certain region of the hot work in progress being in constructed ground, above-mentioned overview prospecting detection with
When above-mentioned dynamic concrete prospecting detection occurs deviation, in this region that there occurs above-mentioned deviation, according to
Dynamic concrete prospecting result of detection and and design load requirement, select institute in above-mentioned design procedure pre-
If the structure improved of the foundation bearing capacity of different load-carrying properties in specifically reconnoitre spy dynamically
Survey result and design load require the knot that the foundation bearing capacity of the load-carrying properties preset being consistent improves
Structure, the structure improved according to the foundation bearing capacity of the selected load-carrying properties preset, execute
Work, for there occurs this region of above-mentioned deviation, at the ground of these selected load-carrying properties preset
In the structure that bearing capacity improves, compared with the structure that the foundation bearing capacity of standard improves, taper
The number of plies of block layer, the planform of circular cone, the size of circular cone, the taper in each circular cone layer
The quantity of block, the circular cone arrangement in each circular cone layer, the ginseng of at least one in material between block
Number changes.
According to this present invention, owing to the situation of ground varies, in the prospecting of phase of exploration
The most inaccurate, in this occasion, use the present invention, dynamically and momentarily understand hot work in progress
The physical property of ground, feeds back, and selects the preliminary design scheme being suitable for, thus can momentarily answer
Change to geological conditions, dynamically adjusts so that the foundation structure constructed is fuller
The requirement of foot upper load, foundation deformation requirement.
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, in construction procedure
B) in sub-step, adjust outer surface and this cone portion and the stake on the inclined-plane of cone portion in circular cone
The angle between contact surface between foot, in order to change the planform of circular cone.
According to the program, the overall carrying of circular cone layer by the change of above-mentioned angle, can be regulated and controled
Power.
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, in construction procedure
B) in sub-step, adjust the number of plies of circular cone layer.
According to the program, can be by adjusting the number of plies of circular cone layer, the change of reply geology, meet
Design load, deformation requirements.
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, in construction procedure
B) in sub-step, adjust the size of circular cone, to change the size of circular cone.
According to the program, design load can be met by adjusting the size of the diameter etc. of circular cone,
Deformation requirements.
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, in construction procedure
B) in sub-step, the circular cone arrangement in each circular cone layer is included in layer and divides
The quantity of unit, adjust the quantity of this unit.
According to the program, overall concertedness can be changed by the regulation of the quantity of unit, meets
Various load requirements and geological transformation
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, in construction procedure
B) in sub-step, the circular cone arrangement in each circular cone layer includes being arranged on the big of periphery
The quantity of the circular cone of size and the quantity of the undersized circular cone being arranged on inside, adjust this big chi
The quantity of very little circular cone and the quantity of undersized circular cone.
According to the program, the lateral confinement power that adjustable structure is overall, or overall coordination, thus
Tackle various load requirement and geological transformation, improve bearing capacity.
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, at foundation bearing capacity
In the structure improved, divide and have multiple unit, in the periphery of each unit, large-sized taper is set
Block, in the inside of each unit, arranges undersized circular cone, adjusts the number of this large-sized circular cone
Amount and the quantity of undersized circular cone.
According to the program, can be by changing the quantity of large-sized circular cone and undersized circular cone
Quantity, regulate the lateral confinement power of each unit, or total tune, thus tackle various load
Requirement.
In the Dynamic Construction method of the structure improved at above-mentioned foundation bearing capacity, material between above-mentioned piece
For undisturbed soil or inserts, this inserts is rubble or graded sand and stone.
According to the program, optional heterogeneity, material between the block of rigidity, meet various design and want
Ask.
The brief description of accompanying drawing
Fig. 1 is to represent employed in the Dynamic Construction method of structure that the base bearing capacity of the present invention improves
The structure improved of foundation bearing capacity in the elevation of single circular cone；
Fig. 2 is the dynamic of the structure improved of the foundation bearing capacity of the 1st embodiment being denoted as the present invention
The elevation of state construction method；
Fig. 3 is the dynamic of the structure improved of the foundation bearing capacity of the 2nd embodiment being denoted as the present invention
The elevation of state construction method；
Fig. 4 is the dynamic of the structure improved of the foundation bearing capacity of the 3rd embodiment being denoted as the present invention
The elevation of state construction method.
Detailed description of the invention
As it is shown in figure 1, in the Dynamic Construction method of the structure improved at the foundation bearing capacity of the present invention
The circular cone 15 of the structure that the foundation bearing capacity used improves includes cone portion 3, such as, circular cone
Portion 3, this cone portion 3 is positioned at the top of circular cone 15；Footing portion 4, this footing portion 4 is positioned at circular cone 15
Bottom, and be positioned at the lower section of above-mentioned cone portion 3, being transversely set up in parallel shown in Fig. 2
Adjacent conical block 15, is disposed with material 7 between block, e.g., uses and fill out between the stake of industry common name between 15
Undisturbed soil between charge or stake, at the end face of cone portion 3, is provided with top board 2, such as, plectane, footing
The bottom in portion 4 has pile top 5, above-mentioned pile top 5, footing portion 4, bullet 3, and top board 2 is by from them
Connection reinforcing bar 1 that centre passes and connect, as in figure 2 it is shown, in multiple tapers being transversely disposed adjacent
Bottom is set at block 15, corresponding footing portion 4 in 15 and the contact surface of the bottom of corresponding cone portion 3
Spacer bar net, contacting between the outer surface on the inclined-plane of cone portion 3 with this cone portion 3 and footing portion 4
Angle α 1 between face, as shown in the label 6 in Fig. 1, such as, can be according to adjacent circular cone
Between the block between 15,15, material is big to the transverse component of the normal pressure of the outer surface on the inclined-plane of cone portion 3
Longitudinal component in normal pressure, in order to adjacent circular cone 15, between 15 mutually transverse more synergistically
Effect, the mode mutually leaning on supporting sets, here, laterally referring in the transverse component of normal pressure
Longitudinal direction with circular cone 15, i.e. the direction that the bearing of trend in footing portion 4 is perpendicular.Shown in Fig. 2
The adjacent conical block 15 being transversely set up in parallel, the end face of 15, it is provided with fixing reinforcing bar.
The structure that the foundation bearing capacity of the 1st embodiment that Fig. 2 is denoted as the present invention improves dynamic
The elevation of construction method, as in figure 2 it is shown, the structure improved of the 1st foundation bearing capacity executing example is dynamic
State construction method includes:
Prospecting step, in this step, the geological state to the ground constructed, with sample mode
Carry out overview prospecting detection；
Design procedure, in this step, according to the overview prospecting detection knot drawn in prospecting step
Fruit and design load requirement, the structure that the foundation bearing capacity of design standard improves, and preset 2
The structure that the foundation bearing capacity of different load-carrying properties improves, the 1st foundation bearing capacity improves
Structure includes circular cone layer 8, and this circular cone layer 8 is made up of multiple large-sized circular cones 15, the 2nd
The structure that foundation bearing capacity improves includes circular cone layer 9, and this circular cone layer 9 is by multiple undersized cones
Shape block 15 is constituted, the structure of the circular cone in circular cone layer 8 and 9 be circular cone 15 as shown in Figure 1 that
The structure of sample；
Construction procedure, this step includes:
A) while what the foundation bearing capacity of standard performing to be formulated in above-mentioned design procedure improved
The construction of structure, the geological state to the ground of hot work in progress carries out dynamic concrete prospecting at any time
Detection；
B) certain region of the hot work in progress being in constructed ground, above-mentioned overview prospecting detection with
When above-mentioned dynamic concrete prospecting detection occurs deviation, in this region that there occurs above-mentioned deviation, specifically
For, be found to have be different from prospecting step in result in a big way or the Soft Soil Layer 10 of volume
Time, in the region of this Soft Soil Layer 10, according to dynamic concrete prospecting result of detection and want with design load
Ask, selecting circular cone layer 8 and the circular cone layer 9 being suitable for, constructing, for there occurs above-mentioned deviation
This region, in the structure that the foundation bearing capacity of these selected default load-carrying properties improves, with
The structure that the foundation bearing capacity of standard improves compares, the number of plies of circular cone layer, the structure of circular cone
Shape, the size of circular cone, the quantity of the circular cone in each circular cone layer, in each circular cone layer
Circular cone arrangement in the number of plies of circular cone layer there occurs change, by the 2 of the design of standard
Layer, becomes the circular cone of 4 layers, is additionally arranged circular cone layer 8 and circular cone layer 9.
Fig. 3 is the dynamic of the structure improved of the foundation bearing capacity of the 2nd embodiment being denoted as the present invention
The elevation of state construction method, the structure that the foundation bearing capacity in the 2nd embodiment improves dynamic
In construction method, the Dynamic Construction method of the structure improved with the foundation bearing capacity of the 1st embodiment
Difference is only in that in design procedure, has preset the conical surface of circular cone 15 in circular cone layer
The 1st structure and the taper that angle α 1 is 60 ° (being represented by label 6a) between outer surface and horizontal plane
Angle α 2 between outer surface and the horizontal plane of the conical surface of the circular cone 15 in block layer be 45 ° (by marking
Number 6b represents) the 2nd structure, and in construction procedure, the circular cone layer of the bottom have employed default
The 2nd structure, the circular cone 15 of top have employed the 1st default structure, with reply construction time send out
The change of the geological condition now arrived.
Fig. 4 is the dynamic of the structure improved of the foundation bearing capacity of the 3rd embodiment being denoted as the present invention
The elevation of state construction method, the structure that the foundation bearing capacity in the 3rd embodiment improves dynamic
In construction method, the Dynamic Construction method of the structure improved with the foundation bearing capacity of the 1st embodiment
Difference is only in that in design procedure, and having preset the circular cone 15 in circular cone layer is large scale
The structure that circular cone 15 is middle size circular cone 13 in the structure of circular cone 12, and circular cone layer,
Here it should be noted that in design procedure, the structure of the standard formed is small size circular cone
The structure of 14, and in construction procedure, the circular cone layer of the bottom have employed normal structure, and it has
Multiple small size circular cones 14, at the 2nd layer from following, it has multiple little to form normal structure
Size circular cone 14, at the 3rd layer from following, forms preset structure, and it has multiple middle size
Circular cone 13, in top, forms preset structure, and it has multiple large scale circular cone 12, due to
Have employed above-mentioned preset structure, thus tackle the change of the geological condition being found to when construction.
Claims (8)
1. a Dynamic Construction method for the structure that foundation bearing capacity improves, this foundation bearing capacity improves
The Dynamic Construction method of structure include:
Prospecting step, in this step, the geological state to the ground constructed, enters with sample mode
The prospecting detection of row overview；
Design procedure, in this step, according to the overview prospecting result of detection drawn in prospecting step
With design load requirement, design the structure that the foundation bearing capacity of standard improves, and preset different
The structure that the foundation bearing capacity of load-carrying properties improves, the structure that this foundation bearing capacity improves includes cone
Shape block layer, this circular cone layer is made up of multiple circular cones, and the plurality of circular cone is along the horizontal stroke of this circular cone layer
To and be set up in parallel, this circular cone includes cone portion, and this cone portion is positioned at the top of circular cone；Footing
Portion, this footing portion is positioned at the bottom of circular cone, and is positioned at the lower section of above-mentioned cone portion, transversely
And it is disposed with material between block between the adjacent conical block being set up in parallel；
Construction procedure, this step includes:
A) while the knot that improves of the foundation bearing capacity performing standard designed in above-mentioned design procedure
The construction of structure, the geological state to the ground of hot work in progress carries out specifically reconnoitring spy dynamically at any time
Survey；
B) certain region of the hot work in progress being in constructed ground, the prospecting detection of above-mentioned overview is with upper
When stating dynamic concrete prospecting detection generation deviation, in this region that there occurs above-mentioned deviation, according to dynamic
The concrete prospecting result of detection of state and design load requirement, select default in above-mentioned design procedure
Tying with dynamic concrete prospecting detection in the structure that the foundation bearing capacity of different load-carrying properties improves
Fruit and design load require the structure that the foundation bearing capacity of the default load-carrying properties being consistent improves, and press
The structure improved according to the foundation bearing capacity of the selected load-carrying properties preset, constructs, for
There occurs this region of above-mentioned deviation, the foundation bearing capacity in these selected load-carrying properties preset changes
In kind structure, compared with the structure that the foundation bearing capacity of standard improves, the layer of circular cone layer
Number, the planform of circular cone, the quantity of the circular cone in each circular cone layer, each circular cone layer
In circular cone arrangement, between block, the parameter of at least one in material changes.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 1 improves,
It is characterized in that the B in construction procedure) in sub-step, adjust the inclined-plane of cone portion in circular cone
The angle between contact surface between outer surface and this cone portion and footing portion, in order to change circular cone
Planform.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 2 improves,
It is characterized in that the B in construction procedure) in sub-step, adjust the number of plies of circular cone layer.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 1 improves,
It is characterized in that the B in construction procedure) in sub-step, adjust the size of circular cone, to change taper
The size of block.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 1 improves,
It is characterized in that the B in construction procedure) in sub-step, the circular cone layout side in each circular cone layer
Formula is included in layer the quantity of unit carrying out dividing, and adjusts the quantity of this unit.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 1 improves,
It is characterized in that the B in construction procedure) in sub-step, the circular cone layout side in each circular cone layer
Formula includes the quantity being arranged on large-sized circular cone of periphery and is arranged on the undersized taper of inside
The quantity of block, adjusts quantity and the quantity of undersized circular cone of this large-sized circular cone.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 1 improves,
It is characterized in that in the structure that foundation bearing capacity improves, divide and have multiple unit, in each unit
Periphery, arranges large-sized circular cone, in the inside of each unit, arranges undersized circular cone, adjusts
The quantity of this large-sized circular cone whole and the quantity of undersized circular cone.
The Dynamic Construction method of the structure that foundation bearing capacity the most according to claim 1 improves,
It is characterized in that between above-mentioned piece, material is undisturbed soil or inserts, this inserts is rubble or graded sand
Stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841374.6A CN104532822B (en) | 2014-12-31 | 2014-12-31 | The Dynamic Construction method of the structure that a kind of foundation bearing capacity improves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841374.6A CN104532822B (en) | 2014-12-31 | 2014-12-31 | The Dynamic Construction method of the structure that a kind of foundation bearing capacity improves |
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| Publication Number | Publication Date |
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| CN104532822A CN104532822A (en) | 2015-04-22 |
| CN104532822B true CN104532822B (en) | 2016-08-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2724446B2 (en) * | 1995-06-05 | 1998-03-09 | 株式会社マイコマセブン | Two-layer foundation block and laying method |
| CN1536174A (en) * | 2003-04-07 | 2004-10-13 | 株式会社埋口码塞奔 | Base foundation construction method and building infrastructure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3729415B2 (en) * | 2003-05-26 | 2005-12-21 | 株式会社マイコマセブン | Construction foundation structure |
| JP2004360176A (en) * | 2003-04-07 | 2004-12-24 | Maikoma Seven:Kk | Foundation ground creating method |
| KR100764837B1 (en) * | 2006-08-03 | 2007-10-09 | 주식회사 남원건설엔지니어링 | Top type block for constructing a honeycomb-shaped mat |
-
2014
- 2014-12-31 CN CN201410841374.6A patent/CN104532822B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2724446B2 (en) * | 1995-06-05 | 1998-03-09 | 株式会社マイコマセブン | Two-layer foundation block and laying method |
| CN1536174A (en) * | 2003-04-07 | 2004-10-13 | 株式会社埋口码塞奔 | Base foundation construction method and building infrastructure |
Non-Patent Citations (1)
| Title |
|---|
| 陀螺桩的原理及应用;唐业清等;《探矿工程（岩土钻掘工程）》;19960331(第3期);第53-57页 * |
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| CN104532822A (en) | 2015-04-22 |
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