CN106149751B - The method for reinforcing building construction ground using quick lime brick quarrel compaction pile - Google Patents
The method for reinforcing building construction ground using quick lime brick quarrel compaction pile Download PDFInfo
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- CN106149751B CN106149751B CN201510281705.XA CN201510281705A CN106149751B CN 106149751 B CN106149751 B CN 106149751B CN 201510281705 A CN201510281705 A CN 201510281705A CN 106149751 B CN106149751 B CN 106149751B
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Abstract
The present invention relates to a kind of reinforced construction methods taken building construction basement process, a kind of more particularly to method for reinforcing building construction ground using quick lime brick quarrel compaction pile, quick lime, brick quarrel, soil, cement are used as raw material, it pours into the stake holes of ground, stake holes uses impact holing, stake end with brick be cut tamp, use technique for：Preparation of construction → the construction line-putting → Dewatering → impact holing → layering perfusion → compacting is bound, the cloth hole around basis, with impact drill impact holing, inter-pile soil obtains compacted in pore forming process, quick lime, brick is cut, soil, after cement raw material mixing, it squeezes into foundation soil stake holes, quick lime water swelling makes inter-pile soil that secondary compaction effect occur, stake end is cut with brick tamps, brick be cut tough aggregate effect, make pile body uprightly tall and straight, the intensity of foundation soil can be effectively increased, improve bearing capacity of foundation slab, improve the uniformity of foundation soil, prevent foundation from sedimentation and deformation occurs because of unbalance stress, with low cost, non-environmental-pollution, it can shorten the construction period.
Description
Technical field
The invention belongs to stiffening basic ground technical fields, are related to a kind of reinforcing taken building construction basement process and apply
Work method more particularly to a kind of method for reinforcing building construction ground using quick lime brick quarrel compaction pile.
Background technology
Building foundation treatment is mostly using concrete filling pile, cement mixing method for many years, but these prior arts are generally deposited
In following shortcoming:1st, project cost is higher.Such as the foundation cost of general 6 layers of residential building works as bearing capacity fak=80~l00KPa
Using 80 yuan/m2 of concrete filling pile foundation cost；Using 45 yuan/m2 of cement mixing method foundation cost, and use quick lime brick quarrel
Compaction pile natural foundation cost only 30 yuan/m2；It can be seen that the present invention can effectively reduce cost and ensure construction quality again.2nd, construct into
Degree is slow.Since the mechanical equipment used in the prior art is huge and heavy, the duration is longer, and when construction cannot accomplish motor-driven spirit
It is living, and also by limitations such as place, water, electricity, fuel, so construction speed is affected.3rd, environment is polluted, there is noise.
Strong vibrations and noise, mud outward transport and stacking impact the daily life of the masses around, and there are noise pollution, rings
Border is polluted and the phenomenon that disturbs residents.4th, pile quality is subject to certain restrictions.Traditional bored concrete pile, treatment process of composite foundation, mostly with friction
Based on power, when construction, is influenced by underground water, soil layer, pile-formation process etc., is also easy to produce the works such as necking down, broken pile, concrete isolation, sediment be blocked up
Journey quality problems.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art and provide a kind of to be effectively increased foundation soil
Intensity improves bearing capacity of foundation slab, improves the uniformity of foundation soil, prevents foundation from sedimentation and deformation occurs because of unbalance stress
The method for reinforcing building construction ground using quick lime brick quarrel compaction pile.
The object of the present invention is achieved like this：A kind of side that building construction ground is reinforced using quick lime brick quarrel compaction pile
Method, it is characterised in that：Use quick lime, brick quarrel, soil, cement for raw material, pour into the stake holes of ground, stake holes using impact into
Hole, stake end is cut with brick tamps, using following technological process：Preparation of construction → the construction line-putting → Dewatering → impact holing → point
Layer perfusion → compacting is bound, and is as follows：
Step 1）Preparation of construction：It gets all the raw material ready, gets all the construction equipment ready：50 type percussive drills, Luoyang Spade, tamping apparatus,
Hammer ram, water flowing, energization；
Step 2）The construction line-putting：It is arranged by square, quincunx or equilateral triangle；
Step 3）Dewatering：To ensure pore-forming and pile quality, the water level of job location should be first reduced before construction；
Step 4）Impact holing：It can not be used during mechanical execution with 50 type percussive drills or narrow space by the stake position put well
Luoyang Spade is intermediate behind first periphery into stake holes；
Step 5）Layering is filled in：Stake diameter and depth start to fill in after meeting design requirement, in order to ensure bearing capacity of pile tip, stake
The queen closer of 30 cm thickness is first filled out at end, is rammed 20--30 times with hammer, hammer lifting height 80-100cm；After queen closer all enters in surrounding soil,
The brickbat quarrel of 20 cm is filled out again, is rammed l5-20 times；After the compacting of stake end, mix is poured into stake holes, spreads thickness 30cm, rams l5-20
It is secondary, hammer lifting height 80-100cm；The preparation weight ratio of mix is：In stake holes more than level of ground water, mix is using life
Shi Hui ﹕ Zhuan Cha ﹕ soil=1 ﹕ l ﹕ 2, the level of ground water in stake holes is hereinafter, mix uses 0.5 ﹕ of Sheng Shi Hui ﹕ Shui Ni ﹕ Zhuan Cha ﹕ soil=1 ﹕
1 ﹕ 3；
Step 6）Compacting is bound：It binds to be rammed with plain soil layering and is filled to ground sealing of hole, thickness is no less than 30 cm.
In step 5）In, into hole before filler, bottom hole should be tamped, and should survey sample the diameter of stake holes, depth and vertical
Degree；The perpendicularity deviation of stake holes is not more than 1.5%；Insert what is worked good through that should be layered after the assay was approved by design requirement into hole
Mix.
When full wafer is handled from it is inner or it is intermediate carried out to interval 1-2 holes, section construction is taken to heavy construction, works as part
During processing, it is spaced 1-2 holes outside in and carries out；Meet processing equilateral triangle to large area, to isolated foundation or bar shaped base
Plinth square, rectangle or isosceles triangle arrangement.
Also need to carry out foundation detection after the above step is finished with examining：Specifically according to engine request and local experience
It is examined using excavation inspection, static sounding or standard penetration test (SPT), light sounding, vertical compression load testing method
It tests, and answers incorporation engineering test and observational data overall merit consolidation effect；Construction detection carries out for 7-10 days after construction.
During using static sounding or standard penetration test (SPT), light sounding detection, detection position is between pile center and stake
Soil, every 2 points are one group, and detection group number should meet design requirement；Load test should meet finder charge condition in strength of the mixing pile,
And it is carried out after 28 days in pile.
Present invention cloth hole around basis, with impact drill impact holing, inter-pile soil obtains compacted in pore forming process, then
The raw materials such as quick lime, brick quarrel, soil, cement, after mixing according to a certain percentage, after squeezing into the stake holes of foundation soil, quick lime water suction
Expansion make inter-pile soil occur secondary compaction effect, stake end with brick be cut tamp, brick be cut tough aggregate act on, make pile body uprightly tall and straight,
The artificial foundation by foundation soil and reinforcement shared load formed in this way, can be effectively increased the intensity of foundation soil, carry
High bearing capacity of foundation slab improves the uniformity of foundation soil, it is therefore prevented that because of unbalance stress sedimentation and deformation occurs for foundation.Have
Low cost, non-environmental-pollution can shorten the construction period.With good economic efficiency, social benefit and environmental benefit are small in China
Particularly there is larger development space in urban construction and development to the processing of tier building building lot and application.
Specific embodiment
The specific method of the present invention is the cloth hole around proposed building basis, with impact drill impact holing, pore forming process
Middle inter-pile soil obtains compacted, then the raw materials such as quick lime, brick quarrel, soil, cement, after mixing according to a certain percentage, squeezes into ground
After in the stake holes of soil, quick lime water swelling makes inter-pile soil that secondary compaction effect occur, and stake end is cut with brick tamps, and brick has been cut os osseum
Material acts on, and makes pile body uprightly tall and straight, the artificial foundation by foundation soil and reinforcement shared load formed in this way can have
Effect increases the intensity of foundation soil, improves bearing capacity of foundation slab, improves the uniformity of foundation soil, it is therefore prevented that foundation is because of stress
Sedimentation and deformation occurs for unevenness.
The quick lime brick of the present invention is cut the referred to as compacted quicklime pile of compacted pile composite foundation, be using quick lime, brick quarrel,
Soil, cement are raw material, after mixing according to a certain percentage, are poured into the stake holes of ground, and stake holes uses impact holing, which is good
50 type drilling machines of this production of wood, stake end is cut with brick tamps, since using impact holing, inter-pile soil has obtained compacted, raw stone
Grey water swelling makes inter-pile soil secondary compaction, and brick has been cut tough aggregate effect, make pile body it is upright it is tall and straight it is formed by foundation soil and
The artificial foundation of reinforcement shared load.The intensity and uniformity of ground can be effectively increased, improves foundation bearing capacity, so as to
Meet the requirement of basic engineering.Using following technological process：Preparation of construction → the construction line-putting → Dewatering（Level of ground water is shallower
When）→ impact holing → layering perfusion → compacting is bound.Specific implementation step is as follows：
Step 1）Preparation of construction：1. getting all the raw material ready, it is processed for use by indices requirement.2. get all the construction machine ready
Tool：50 type percussive drills, Luoyang Spade, tamping apparatus, hammer ram (weight about 12.5kg) etc..3. water flowing, energization.
Step 2）The construction line-putting：It is arranged by square, quincunx or equilateral triangle；
Step 3）Dewatering：To ensure pore-forming and pile quality, the water level of job location should be first reduced before construction；Cause
It, should first precipitation before construction to ensure pore-forming and pile quality if this level of ground water is shallower.
Step 4）Impact holing：It can not be used during mechanical execution with 50 type percussive drills or narrow space by the stake position put well
Luoyang Spade is intermediate behind first periphery into stake holes；
Step 5）Layering is filled in：Stake diameter and depth start to fill in after meeting design requirement,
1. in order to ensure bearing capacity of pile tip, the queen closer of 30 cm thickness is first filled out at stake end, is rammed 20--30 times with hammer, hammer lifting height
80-100cm；
2. after queen closer all enters in surrounding soil, then filling out the brickbat quarrel of 20 cm, ram l5-20 times；
3. after the compacting of stake end, mix is poured into stake holes, spreads thickness 30cm, is rammed l5-20 times, hammer lifting height 80-
100cm；The preparation weight ratio of mix is：In stake holes more than level of ground water, mix is using Sheng Shi Hui ﹕ Zhuan Cha ﹕ soil=1 ﹕
L ﹕ 2, the level of ground water in stake holes is hereinafter, mix uses 0.5 ﹕ of Sheng Shi Hui ﹕ Shui Ni ﹕ Zhuan Cha ﹕ soil=1 ﹕, 1 ﹕ 3；
Step 6）Compacting is bound：Layering hammer compacting to designed elevation, then binds, and binding to be rammed with plain soil layering is filled to ground
Face sealing of hole, thickness are no less than 30 cm.
In step 5）In, into hole before filler, bottom hole should be tamped, and should survey sample the diameter of stake holes, depth and vertical
Degree；The perpendicularity deviation of stake holes is not more than 1.5%；Insert what is worked good through that should be layered after the assay was approved by design requirement into hole
Mix.
When full wafer is handled from it is inner or it is intermediate carried out to interval 1-2 holes, section construction is taken to heavy construction, works as part
During processing, it is spaced 1-2 holes outside in and carries out；Meet processing equilateral triangle to large area, to isolated foundation or bar shaped base
Plinth square, rectangle or isosceles triangle arrangement.
Also need to carry out foundation detection after the above step is finished with examining：Specifically according to engine request and local experience
It is examined using excavation inspection, static sounding or standard penetration test (SPT), light sounding, vertical compression load testing method
It tests, and answers incorporation engineering test and observational data overall merit consolidation effect；Construction detection carries out for 7-10 days after construction.
During using static sounding or standard penetration test (SPT), light sounding detection, detection position is between pile center and stake
Soil, every 2 points are one group, and detection group number should meet design requirement；Load test should meet finder charge condition in strength of the mixing pile,
And it is carried out after 28 days in pile.
Construction point and points for attention：
1st, construction point：
1. in order to ensure bearing capacity of pile tip, the queen closer of 30cm thickness is first filled out at stake end, is rammed 20--30 times with hammer, hammer lifting height 80
~1 00cm；
2. if queen closer all enters in surrounding soil, then fills out the brickbat quarrel of 20cm, ram l5--20 times；
3. after the compacting of stake end, by mix（Quick lime by a certain percentage of the weight：Brick is cut：Soil=1：l：2 and quick lime：Water
Mud：Brick is cut：Soil=1：0.5：1：3 (are mainly used for underwater））It inserts in hole, paving thickness 30cm or so rams l5---20 times, it is high to carry hammer
Spend 80--100cm.
Ground sealing of hole is filled to 4. binding and being rammed with plain soil layering, thickness is no less than 30cm.
2nd, points for attention：
1. into hole before filler, bottom hole should be tamped, and should survey sample diameter, depth and the verticality of stake holes；
2. the perpendicularity deviation of stake holes is not preferably greater than 1.5%；
3. through after the assay was approved the mix inserted and worked good should be layered into hole by design requirement；
4. when full wafer processing is appropriate to the occasion from inner（It is or intermediate）It is carried out to interval 1-2 holes.Segmentation can be taken to apply heavy construction
Work, when Local treatment, preferably interval 1-2 holes carry out outside in；
5. preferably using equilateral triangle to the processing of large area satisfaction, square, rectangle are preferably used to isolated foundation or strip footing
Or isosceles triangle arrangement.
3rd, test pile：
3.1 detection of compound foundation with examine can according to engine request and local experience using excavate inspection, static sounding or
The methods of Standard piercing, light sounding, vertical compression load test, tests, and incorporation engineering is answered to test and observe money
Expect overall merit consolidation effect.Construction detection carries out for preferably after construction 7-10 days.
3.2 using static soundings or standard penetration test (SPT), light sounding detection when, detection position should be pile center and
Inter-pile soil, should every 2 points be one group.Detection group number should meet design requirement.
3.3 load tests should meet finder charge condition in strength of the mixing pile, and be carried out after 28 days in pile.Amount detection should
Meet design requirement.
Claims (3)
- A kind of 1. method for reinforcing building construction ground using quick lime brick quarrel compaction pile, it is characterised in that：Using quick lime, brick Quarrel, soil, cement are raw material, are poured into the stake holes of ground, and stake holes uses impact holing, and stake end is cut with brick tamps, using following work Skill flow：Preparation of construction → the construction line-putting → Dewatering → impact holing → layering perfusion → compacting is bound, and specific steps are such as Under：Step 1）Preparation of construction：It gets all the raw material ready, gets all the construction equipment ready：50 type percussive drills, Luoyang Spade, tamping apparatus, hammer ram, Water flowing, energization；Step 2）The construction line-putting：It is arranged by square, quincunx or equilateral triangle；Step 3）Dewatering：To ensure pore-forming and pile quality, the water level of job location should be first reduced before construction；Step 4）Impact holing：By 50 type percussive drills of the stake position put well or narrow space can not mechanical execution when Luoyang Shovel into stake holes, it is intermediate behind first periphery；Step 5）Layering is filled in：Stake diameter and depth start to fill in after meeting design requirement, and in order to ensure bearing capacity of pile tip, stake end is first The queen closer of 30 cm thickness is filled out, is rammed 20-30 times with hammer, hammer lifting height 80-100cm；After queen closer all enters in surrounding soil, then fill out The brickbat quarrel of 20 cm, is rammed l5-20 times；After the compacting of stake end, mix is poured into stake holes, spreads thickness 30cm, rams l5-20 times, carries Hammer height 80-100cm into shape；The preparation weight ratio of mix is：In stake holes more than level of ground water, mix uses Sheng Shi Hui ﹕ Zhuan Cha ﹕ soil=1 ﹕ l ﹕ 2, the level of ground water in stake holes is hereinafter, mix uses 0.5 ﹕ of Sheng Shi Hui ﹕ Shui Ni ﹕ Zhuan Cha ﹕ soil=1 ﹕, 1 ﹕ 3；To In hole before filler, bottom hole should be tamped, and should survey sample diameter, depth and the verticality of stake holes；The perpendicularity deviation of stake holes is not More than 1.5%；Through after the assay was approved the mix inserted and worked good should be layered into hole by design requirement；Step 6）Compacting is bound：It binds to be rammed with plain soil layering and is filled to ground sealing of hole, thickness is no less than 30 cm.
- 2. the method according to claim 1 for reinforcing building construction ground using quick lime brick quarrel compaction pile, feature exist In：When full wafer is handled from it is inner or it is intermediate carried out to interval 1-2 holes, section construction is taken to heavy construction, works as Local treatment When, it is spaced 1-2 holes outside in and carries out；Equilateral triangle during to meeting large-area treatment, to isolated foundation or strip footing It is arranged with square or isosceles triangle.
- 3. the method according to claim 1 for reinforcing building construction ground using quick lime brick quarrel compaction pile, feature exist In：Also need to carry out foundation detection after the above step is finished with examining：Specifically used according to engine request and local experience Excavation inspection, static sounding or standard penetration test (SPT), light sounding, vertical compression load testing method are tested, and Answer incorporation engineering test and observational data overall merit consolidation effect；Construction detection carries out for 7-10 days after construction；Using static(al) When feeler inspection or standard penetration test (SPT), light sounding detection, detection position is pile center and inter-pile soil, and every 2 points are one group, Detection group number should meet design requirement；Load test should meet finder charge condition in strength of the mixing pile, and laggard in pile 28 days Row.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108104106A (en) * | 2016-11-24 | 2018-06-01 | 神翼航空器科技（天津）有限公司 | Existing building essential bearing stratum reinforcement |
| CN111140199A (en) * | 2019-12-25 | 2020-05-12 | 北京正和恒基滨水生态环境治理股份有限公司 | Shaft plugging method |
| CN112609667A (en) * | 2020-12-22 | 2021-04-06 | 中铁三局集团有限公司 | Construction method for reinforcing earthwork compaction degree of lime-sand pile in small-span cross beam |
| CN113174951B (en) * | 2021-04-30 | 2022-06-14 | 福建永宏建设工程有限公司 | Construction device and method for reinforcing soft soil roadbed by self-expansion compaction pile with high bearing capacity |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU677908B2 (en) * | 1994-06-24 | 1997-05-08 | Qc Bricks Pty Ltd | Brick wall on piers |
| CN101798809A (en) * | 2010-03-16 | 2010-08-11 | 朱建新 | Non-borrow composite underreamed pile constructing method |
| CN102733376A (en) * | 2012-07-02 | 2012-10-17 | 朱建新 | Composite pile and construction method thereof |
| CN102864774A (en) * | 2012-10-10 | 2013-01-09 | 江苏南通六建建设集团有限公司 | Shrinkage treatment construction method for composite foundation- lime soil compaction piles |
-
2015
- 2015-05-28 CN CN201510281705.XA patent/CN106149751B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU677908B2 (en) * | 1994-06-24 | 1997-05-08 | Qc Bricks Pty Ltd | Brick wall on piers |
| CN101798809A (en) * | 2010-03-16 | 2010-08-11 | 朱建新 | Non-borrow composite underreamed pile constructing method |
| CN102733376A (en) * | 2012-07-02 | 2012-10-17 | 朱建新 | Composite pile and construction method thereof |
| CN102864774A (en) * | 2012-10-10 | 2013-01-09 | 江苏南通六建建设集团有限公司 | Shrinkage treatment construction method for composite foundation- lime soil compaction piles |
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