CN108643600B - Method suitable for underground storey addition of brick-concrete structure building - Google Patents

Method suitable for underground storey addition of brick-concrete structure building Download PDF

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CN108643600B
CN108643600B CN201810393312.1A CN201810393312A CN108643600B CN 108643600 B CN108643600 B CN 108643600B CN 201810393312 A CN201810393312 A CN 201810393312A CN 108643600 B CN108643600 B CN 108643600B
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building
module
concrete
underpinning
underground
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CN108643600A (en
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谢金
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Hongfujin Precision Industry Shenzhen Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0266Enlarging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups

Abstract

The invention belongs to the technical field of buildings, and discloses a method suitable for underground storey addition of a brick-concrete structure building, wherein a system suitable for underground storey addition of the brick-concrete structure building comprises the following steps: the system comprises a scheme design module, a measurement module, a vibration detection module, an excavation module, a underpinning module, a building module, a fixed connection module and a masonry module. The vibration detection module can detect the vibration data in real time during construction, so that the influence on construction safety due to overlarge field vibration is prevented; has the advantages of safety, reliability, convenient construction, high efficiency and the like; meanwhile, the construction of the concrete underpinning pile does not need to be tightly attached to the original vertical member, so that a larger operation space is provided; the lower part of the original building is provided with a storage room with a small space through a partition wall, so that multiple requirements of residents are met, and the economic benefit is very obvious; except that the horizontal underpinning beam needs to be dug into a hole in the construction process, the structure of the existing building is basically not damaged, and the structural strength of the existing building is ensured to be consistent with that of the existing building before underground storey-adding construction.

Description

Method suitable for underground storey addition of brick-concrete structure building
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a method suitable for underground storey addition of a brick-concrete structure building.
Background
The brick concrete structure is characterized in that a wall of a vertical bearing structure in a building is built by adopting bricks or building blocks, and constructional columns, transverse bearing beams, floor slabs, roof slabs and the like are of reinforced concrete structures. That is to say, the brick-concrete structure is a structure which bears the load by a small part of reinforced concrete and a large part of brick wall. The brick-concrete structure is a mixed structure system formed by components such as brick walls for bearing, reinforced concrete beams, column plates and the like. The wall structure is suitable for buildings with small bay depth, small room area and multiple or low floors, the bearing wall body can not be changed, and the frame structure can be changed for most of the wall body. However, the existing building underground storey-adding safety is not high, and the efficiency is low; meanwhile, the construction operation space is small, and the existing building is damaged.
In summary, the problems of the prior art are as follows: the safety of the underground added layer of the existing building is not high, and the efficiency is low; meanwhile, the construction operation space is small, and the existing building is damaged.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method suitable for underground layer adding of a brick-concrete structure building.
The invention is realized in such a way that a system suitable for underground storey addition of a brick-concrete structure building comprises:
the system comprises a scheme design module, a measurement module, a vibration detection module, an excavation module, a underpinning module, a building module, a fixed connection module and a masonry module;
the scheme design module is connected with the measurement module and used for collecting the data of the existing building and the in-situ geological survey data, determining the position, the range and the geometric shape of the added underground space and finishing the design scheme of drawing up the underground added layer;
the measuring module is connected with the scheme design module and the vibration detection module and is used for carrying out field measurement on the layer-adding design;
the vibration detection module is connected with the measurement module and the excavation module and is used for detecting vibration in real time during construction;
the cyclic covariate function of the vibration detection signal of the vibration detection module comprises:
the vibration detection signal comprises an MPSK vibration detection signal obeying S α S distributed noise, and is expressed as:
where E is the average power of the vibration detection signal,M=2km1, 2.. M, q (T) denotes a rectangular pulse waveform, T denotes a symbol period, and f denotes a symbol periodcRepresents the carrier frequency, phi0Representing the initial phase, if w (t) is non-gaussian noise distributed following S α S, its self-covariant function is defined as:
wherein (x (t- τ))<p-1>=|x(t-τ)|p-2x*(t-τ),γx(t-τ)Is the dispersion coefficient of x (t), the cyclic covariance of x (t) is defined as:
where is referred to as the cycle frequency, T is one symbol period;
the cyclic covariate spectrum for receiving the vibration detection signal is carried out as follows:
the cyclic covariate spectrum is the fourier transform of the cyclic covariate function, expressed as:
the derivation of the cyclic covariate spectrum is as follows:
when M is greater than or equal to 4, inAt the position of the air compressor, the air compressor is started,
when the M is equal to 2, the M is,
wherein Q (f) is the Fourier transform of q (t), and
the carrier frequency estimation is realized by extracting a section with the cycle frequency of 0Hz in the cycle covariate spectrum, and the method comprises the following steps:
the envelope of the cyclic covariate spectrum on the section n-0, namely 0Hz, is:
when f is ═ fcWhen the envelope is not zero, the envelope is not zero;
the excavation module is connected with the vibration detection module and the underpinning module and is used for excavating earthwork at the part above the strip foundation of the brick-concrete structure building until the transverse and longitudinal strip foundations below the building wall are completely exposed, and excavating earthwork of a region where an underground garage is proposed around the building;
the underpinning module is connected with the excavation module and the building module and is used for underpinning the foundation of the building;
the building module is connected with the underpinning module and the fixed connecting module and is used for building a plurality of reinforced concretes between the longitudinally and transversely adjacent strip foundations and in the underground garage area outside the strip foundations;
the fixed connection module is connected with the building module and the masonry module and is used for fixedly connecting a horizontal underpinning beam on the pile top of each concrete underpinning pile, and the horizontal underpinning beam penetrates through the wall body of the building to enable the horizontal underpinning beam and the concrete underpinning pile to form an underground frame structure; the concrete wall-clamping beams are arranged on two sides of the building wall body and fixedly connected with the building wall body,
the bottom of the concrete wall clamping beam is fixedly connected with the horizontal underpinning beam;
and the building module is connected with the fixed connection module and is used for pouring a new concrete outer wall around the garage and building a partition wall below the building to form a new basement and the garage.
The method for underground storey addition of the brick-concrete structure building comprises the following steps:
collecting data of an existing building and in-situ geological survey data through a scheme design module, determining the position, the range and the geometric shape of an added underground space, and completing the design scheme of drawing up an underground added layer;
step two, carrying out field measurement on the layer-adding design through a measurement module; detecting the vibration in real time through a vibration detection module;
excavating earthwork above the strip foundation of the brick-concrete structure building through the excavating module until the transverse and longitudinal strip foundations below the building wall are completely exposed, and excavating earthwork of a region for building an underground garage around the building;
fourthly, underpinning the foundation of the building through an underpinning module; building a plurality of reinforced concrete through the building module;
step five, fixedly connecting the concrete wall clamping beam with the building wall body through the fixed connection module;
and sixthly, pouring a new concrete outer wall around the garage through the building module, and building a partition wall below the building to form a new basement and the garage.
Further, the underpinning module method is as follows:
firstly, excavating in a depth above the buried depth of a strip foundation under a building wall and below an outdoor terrace, clamping and reinforcing two sides of a wall root by using concrete ring beams, and fixing by using through-wall prestressed bolts;
then, welding and fixing channel steel fixed by wall penetration at a plurality of positions above the reinforced concrete ring beam and embedded parts at the upper part of the reinforced concrete ring beam clamped at two sides, and pouring concrete to form a rigid wall toe and a fulcrum;
and finally, with the node as a fulcrum, excavating and pouring a whole reinforced concrete slab under the building wall at the intersection part of a plurality of axial lines according to the stress distribution condition of the building, wherein the slab is used for pressing in the static pressure steel pipe pile, a pile pressing hole is reserved on the newly poured concrete slab, and the static pressure steel pipe pile is pressed in, so that the foundation underpinning of the building is completed.
Further, the operation method of the vibration data in the monitoring module specifically comprises the following steps:
the correlation coefficient between two associated measuring points X and ZK is:
ρXZK: the correlation coefficient of the measuring point X and the measuring point YK;
x is a measuring point;
YK: as the measurement points, k is the measurement point number, 1 to I.
For the measuring point X, the correlation weight corresponding to the correlated measuring point ZK is as follows:
ηk=f(ρXZK)=αK×ρXZK
ηk: the correlation weight of the corresponding correlation side measuring point Yk;
αK: and setting a correlation coefficient according to engineering experience to be 0-1.
According to the correlation statistics and the setting of the weight, the threshold range of the correlation channel is as follows:
s: a vibration signal threshold range allowed for a measuring point X;
|ΔVqq.ZKl: and measuring the ZK signal change value.
The channel abnormity judgment basis is as follows:
|ΔVqq.x|≥S;
n≥nset
|ΔVqq.xl: the vibration signal variation value of the measuring point X is obtained;
n is the number of times of exceeding the limit value range;
nsetexceeding the limit times.
The invention has the advantages and positive effects that: the vibration detection module can detect the vibration data in real time during construction, so that the influence on construction safety due to overlarge field vibration is prevented; has the advantages of safety, reliability, convenient construction, high efficiency and the like; meanwhile, the construction of the concrete underpinning pile does not need to be tightly attached to the original vertical member, so that a larger operation space is provided; the lower part of the original building is provided with a storage room with a small space through a partition wall, and the periphery of the building is developed into an underground parking lot, so that multiple requirements of residents are met, and the economic benefit is very remarkable; except that the horizontal underpinning beam needs to be dug into a hole in the construction process, the structure of the existing building is basically not damaged, and the structural strength of the existing building is ensured to be consistent with that of the existing building before underground storey-adding construction.
Drawings
FIG. 1 is a flow chart of a method for underground addition of a brick-concrete structure building, which is provided by the implementation of the invention.
Fig. 2 is a block diagram of a system structure suitable for underground addition of a brick-concrete structure building, which is provided by the implementation of the invention.
In fig. 2: 1. a scheme design module; 2. a measurement module; 3. a vibration detection module; 4. excavating a module; 5. a underpinning module; 6. building a module; 7. a fixed connection module; 8. and (5) building the modules.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the method for adding a layer to the underground of a brick-concrete structure building provided by the invention comprises the following steps:
s101, collecting data of an existing building and in-situ geological survey data through a scheme design module, determining the position, the range and the geometric shape of an additionally-built underground space, and completing the design scheme of drawing up an underground added layer;
step S102, carrying out field measurement on the layer-adding design through a measurement module; detecting the vibration in real time through a vibration detection module;
step S103, excavating earthwork above the strip foundation of the brick-concrete structure building through an excavating module until the transverse and longitudinal strip foundations below the building wall are completely exposed, and excavating earthwork of a region of a proposed underground garage around the building;
step S104, performing foundation underpinning on the building through an underpinning module; building a plurality of reinforced concrete through the building module;
step S105, fixedly connecting the concrete wall clamping beam with a building wall through a fixed connection module;
and S106, pouring a new concrete outer wall around the garage through the building module, and building a partition wall below the building to form a new basement and the garage.
As shown in fig. 2, the system for underground addition of a brick-concrete structure building provided by the invention comprises: the system comprises a scheme design module 1, a measurement module 2, a vibration detection module 3, an excavation module 4, a underpinning module 5, a building module 6, a fixed connection module 7 and a masonry module 8.
The scheme design module 1 is connected with the measurement module 2 and used for collecting the data of the existing building and the in-situ geological survey data, determining the position, the range and the geometric shape of the added underground space and finishing the design scheme of drawing up the underground added layer;
the measuring module 2 is connected with the scheme design module 1 and the vibration detection module 3 and is used for carrying out field measurement on the layer-adding design;
the vibration detection module 3 is connected with the measurement module 2 and the excavation module 4 and is used for detecting vibration in real time during construction;
the cyclic covariate function of the vibration detection signal of the vibration detection module comprises:
the vibration detection signal comprises an MPSK vibration detection signal obeying S α S distributed noise, and is expressed as:
where E is the average power of the vibration detection signal,M=2km1, 2.. M, q (T) denotes a rectangular pulse waveform, T denotes a symbol period, and f denotes a symbol periodcRepresents the carrier frequency, phi0Representing the initial phase, if w (t) is non-gaussian noise distributed following S α S, its self-covariant function is defined as:
wherein (x (t- τ))<p-1>=|x(t-τ)|p-2x*(t-τ),γx(t-τ)Is the dispersion coefficient of x (t), the cyclic covariance of x (t) is defined as:
where is referred to as the cycle frequency, T is one symbol period;
the cyclic covariate spectrum for receiving the vibration detection signal is carried out as follows:
the cyclic covariate spectrum is the fourier transform of the cyclic covariate function, expressed as:
the derivation of the cyclic covariate spectrum is as follows:
when M is greater than or equal to 4, inAt the position of the air compressor, the air compressor is started,
when the M is equal to 2, the M is,
wherein Q (f) is the Fourier transform of q (t), and
the carrier frequency estimation is realized by extracting a section with the cycle frequency of 0Hz in the cycle covariate spectrum, and the method comprises the following steps:
the envelope of the cyclic covariate spectrum on the section n-0, namely 0Hz, is:
when f is ═ fcWhen the envelope is not zero, the envelope is not zero;
the excavation module 4 is connected with the vibration detection module 3 and the underpinning module 5 and is used for excavating earthwork at the part above the strip foundation of the brick-concrete structure building until the transverse and longitudinal strip foundations below the building wall are completely exposed, and excavating earthwork of an underground garage area proposed around the building;
the underpinning module 5 is connected with the excavation module 4 and the building module 6 and is used for underpinning the foundation of the building;
the building module 6 is connected with the underpinning module 5 and the fixed connecting module 7 and is used for building a plurality of reinforced concrete in the underground garage area between the longitudinal and transverse adjacent strip foundations and outside the strip foundations;
the fixed connection module 7 is connected with the building module 6 and the building module 8 and is used for fixedly connecting a horizontal underpinning beam on the pile top of each concrete underpinning pile, and the horizontal underpinning beam penetrates through the wall body of the building to enable the horizontal underpinning beam and the concrete underpinning pile to form an underground frame structure; the concrete wall-clamping beams are arranged on two sides of the building wall body and fixedly connected with the building wall body,
the bottom of the concrete wall clamping beam is fixedly connected with the horizontal underpinning beam;
and the building module 8 is connected with the fixed connection module 7 and used for pouring a new concrete outer wall around the garage and building a partition wall below the building to form a new basement and the garage.
The method for underpinning the module 5 provided by the invention comprises the following steps:
firstly, excavating in a depth above the buried depth of a strip foundation under a building wall and below an outdoor terrace, clamping and reinforcing two sides of a wall root by using concrete ring beams, and fixing by using through-wall prestressed bolts;
then, welding and fixing channel steel fixed by wall penetration at a plurality of positions above the reinforced concrete ring beam and embedded parts at the upper part of the reinforced concrete ring beam clamped at two sides, and pouring concrete to form a rigid wall toe and a fulcrum;
and finally, with the node as a fulcrum, excavating and pouring a whole reinforced concrete slab under the building wall at the intersection part of a plurality of axial lines according to the stress distribution condition of the building, wherein the slab is used for pressing in the static pressure steel pipe pile, a pile pressing hole is reserved on the newly poured concrete slab, and the static pressure steel pipe pile is pressed in, so that the foundation underpinning of the building is completed.
The operation method of the vibration data in the monitoring module specifically comprises the following steps:
the correlation coefficient between two associated measuring points X and ZK is:
ρ XZK: the correlation coefficient of the measuring point X and the measuring point YK;
x is a measuring point;
YK: as the measurement points, k is the measurement point number, 1 to I.
For the measuring point X, the correlation weight corresponding to the correlated measuring point ZK is as follows:
ηk=f(ρXZK)=αK×ρXZK
ηk: the correlation weight of the corresponding correlation side measuring point Yk;
αK: and setting a correlation coefficient according to engineering experience to be 0-1.
According to the correlation statistics and the setting of the weight, the threshold range of the correlation channel is as follows:
s: a vibration signal threshold range allowed for a measuring point X;
|ΔVqq.ZKl: and measuring the ZK signal change value.
The channel abnormity judgment basis is as follows:
|ΔVqq.x|≥S;
n≥nset
|ΔVqq.xl: the vibration signal variation value of the measuring point X is obtained;
n is the number of times of exceeding the limit value range;
nsetexceeding the limit times.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. A system for underground addition of a brick and concrete structure building, comprising:
the system comprises a scheme design module, a measurement module, a vibration detection module, an excavation module, a underpinning module, a building module, a fixed connection module and a masonry module;
the scheme design module is connected with the measurement module and used for collecting the data of the existing building and the in-situ geological survey data, determining the position, the range and the geometric shape of the added underground space and finishing the design scheme of drawing up the underground added layer;
the measuring module is connected with the scheme design module and the vibration detection module and is used for carrying out field measurement on the layer-adding design;
the vibration detection module is connected with the measurement module and the excavation module and is used for detecting vibration in real time during construction;
the cyclic covariate function of the vibration detection signal of the vibration detection module comprises:
the vibration detection signal comprises an MPSK vibration detection signal obeying S α S distributed noise, and is expressed as:
where E is the average power of the vibration detection signal,M=2km1, 2.. M, q (T) denotes a rectangular pulse waveform, T denotes a symbol period, and f denotes a symbol periodcRepresents the carrier frequency, phi0Representing the initial phase, if w (t) is non-gaussian noise distributed following S α S, its self-covariant function is defined as:
wherein (x (t- τ))<p-1>=|x(t-τ)|p-2x*(t-τ),γx(t-τ)Is the dispersion coefficient of x (t), the cyclic covariance of x (t) is defined as:
where is referred to as the cycle frequency, T is one symbol period;
the cyclic covariate spectrum of the received vibration detection signal is performed as follows:
the cyclic covariate spectrum is the fourier transform of the cyclic covariate function, expressed as:
the derivation of the cyclic covariate spectrum is as follows:
when M is greater than or equal to 4, inAt the position of the air compressor, the air compressor is started,
when the M is equal to 2, the M is,
wherein Q (f) is the Fourier transform of q (t), and
carrier frequency estimation is realized by extracting a section with the cycle frequency of 0Hz in the cycle covariate spectrum, and the following steps are carried out:
the envelope of the cyclic covariate spectrum on the section n-0, namely 0Hz, is:
when f is ═ fcWhen the envelope is not zero, the envelope is not zero;
the excavation module is connected with the vibration detection module and the underpinning module and is used for excavating earthwork at the part above the strip foundation of the brick-concrete structure building until the transverse and longitudinal strip foundations below the building wall are completely exposed, and excavating earthwork of a region where an underground garage is proposed around the building;
the underpinning module is connected with the excavation module and the building module and is used for underpinning the foundation of the building;
the building module is connected with the underpinning module and the fixed connecting module and is used for building a plurality of reinforced concretes between the longitudinally and transversely adjacent strip foundations and in the underground garage area outside the strip foundations;
the fixed connection module is connected with the building module and the masonry module and is used for fixedly connecting a horizontal underpinning beam on the pile top of each concrete underpinning pile, and the horizontal underpinning beam penetrates through the wall body of the building to enable the horizontal underpinning beam and the concrete underpinning pile to form an underground frame structure; the concrete wall-clamping beams are arranged on two sides of the building wall body and fixedly connected with the building wall body,
the bottom of the concrete wall clamping beam is fixedly connected with the horizontal underpinning beam;
and the building module is connected with the fixed connection module and is used for pouring a new concrete outer wall around the garage and building a partition wall below the building to form a new basement and the garage.
2. The method for underground floor-adding of a brick-concrete structure building, which is applied to the system for underground floor-adding of a brick-concrete structure building according to claim 1, is characterized by comprising the following steps:
collecting data of an existing building and in-situ geological survey data through a scheme design module, determining the position, the range and the geometric shape of an added underground space, and completing the design scheme of drawing up an underground added layer;
step two, carrying out field measurement on the layer-adding design through a measurement module; detecting the vibration in real time through a vibration detection module;
excavating earthwork above the strip foundation of the brick-concrete structure building through the excavating module until the transverse and longitudinal strip foundations below the building wall are completely exposed, and excavating earthwork of a region for building an underground garage around the building;
fourthly, underpinning the foundation of the building through an underpinning module; building a plurality of reinforced concrete through the building module;
step five, fixedly connecting the concrete wall clamping beam with the building wall body through the fixed connection module;
and sixthly, pouring a new concrete outer wall around the garage through the building module, and building a partition wall below the building to form a new basement and the garage.
3. The method for underground addition of a masonry-concrete structure building according to claim 1, wherein said underpinning module method is as follows:
firstly, excavating in a depth above the buried depth of a strip foundation under a building wall and below an outdoor terrace, clamping and reinforcing two sides of a wall root by using concrete ring beams, and fixing by using through-wall prestressed bolts;
then, welding and fixing channel steel fixed by wall penetration at a plurality of positions above the reinforced concrete ring beam and embedded parts at the upper part of the reinforced concrete ring beam clamped at two sides, and pouring concrete to form a rigid wall toe and a fulcrum;
and finally, with the node as a fulcrum, excavating and pouring a whole reinforced concrete slab under the building wall at the intersection part of a plurality of axial lines according to the stress distribution condition of the building, wherein the slab is used for pressing in the static pressure steel pipe pile, a pile pressing hole is reserved on the newly poured concrete slab, and the static pressure steel pipe pile is pressed in, so that the foundation underpinning of the building is completed.
4. The method for underground storey addition of brick-concrete structure building according to claim 1, wherein the operation method of the vibration data in the vibration detection module is specifically as follows:
the correlation coefficient between two associated measuring points X and ZK is:
ρXZK: the correlation coefficient of the measuring point X and the measuring point YK;
x is a measuring point;
YK: k is the serial number of the measuring point, 1-I;
for the measuring point X, the correlation weight corresponding to the correlated measuring point ZK is as follows:
ηk=f(ρXZK)=αK×ρXZK
ηk: the correlation weight of the corresponding correlation side measuring point Yk;
αK: setting a correlation coefficient according to engineering experience to be 0-1;
according to the correlation statistics and the setting of the weight, the threshold range of the correlation channel is as follows:
s: a vibration signal threshold range allowed for a measuring point X;
|ΔVqq.ZKl: measuring a ZK signal change value;
the channel abnormity judgment basis is as follows:
|ΔVqq.x|≥S;
n≥nset
|ΔVqq.xl: the vibration signal variation value of the measuring point X is obtained;
n is the number of times of exceeding the limit value range;
nsetexceeding the limit times.
CN201810393312.1A 2018-04-27 2018-04-27 Method suitable for underground storey addition of brick-concrete structure building Active CN108643600B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101054855A (en) * 2007-05-11 2007-10-17 李今保 Strain computer-controlled beam support and change method
JP2010242309A (en) * 2009-04-01 2010-10-28 Js Corp Method of installing elevator in existing building
CN101886479A (en) * 2010-07-14 2010-11-17 山东建筑大学 Underground storey-adding process of frame structural building by one-by-one independent foundation underpinning method
CN102220769A (en) * 2011-04-15 2011-10-19 上海天演建筑物移位工程有限公司 System and method for underpinning and jacking building and adding storeys downwards
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CN106088650A (en) * 2016-07-19 2016-11-09 山东建筑大学 A kind of building with brick-concrete structure underground that is applicable to increases method and the building of layer
CN106088650B (en) * 2016-07-19 2018-02-09 山东建筑大学 A kind of method and building suitable for building with brick-concrete structure underground increasing layer

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