Table Of ContentSpringer Tracts in Civil Engineering
Gang Wu
De-Cheng Feng
Chun-Lin Wang
Novel Precast
Concrete
Structure
Systems
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· ·
Gang Wu De-Cheng Feng Chun-Lin Wang
Novel Precast Concrete
Structure Systems
Gang Wu De-Cheng Feng
Southeast University Southeast University
Nanjing, China Nanjing, China
Chun-Lin Wang
Southeast University
Nanjing, China
ISSN 2366-259X ISSN 2366-2603 (electronic)
Springer Tracts in Civil Engineering
ISBN 978-981-19-6820-4 ISBN 978-981-19-6821-1 (eBook)
https://doi.org/10.1007/978-981-19-6821-1
Jointly published with Southeast University Press
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print book from: Southeast University Press.
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Preface
The scale of infrastructure construction in China is huge, and the total annual
construction volume exceeds that of other countries in the world combined. However,
the current traditional construction methods have shortcomings such as high labor
intensity, serious environmental pollution, high energy consumption, and backward
construction modes. In order to promote the structural adjustment, transformation,
and upgrading of China’s construction industry, the State Council has clearly put
forward a series of development strategies such as “promoting construction indus-
trialization actively” since 2011. The new type of construction industrialization with
the development direction of “greening, industrialization, and informatization” has
been valued and risen.
The prefabricated building is the basic way to realize the industrialization of
construction. It adopts industrialized production and prefabricated construction,
which is in line with the transformation of the national construction industry from
extensive to refined. At present, the research on prefabricated concrete structures
in China is basically focused on the “equivalent cast-in-place” structure. The so-
called equivalent cast-in-place refers to that the design and construction of prefabri-
cated structures are aimed at achieving the performance of cast-in-place structures.
Since 2010, among the projects funded by the National Natural Science Foundation
of China, there have been 13 projects for “equivalent cast-in-place” prefabricated
concrete structures; In the national key R&D plan of the 13th five-year plan, hundreds
of millions of yuan have been invested in the “equivalent cast-in-place” prefab-
ricated concrete structure project. With the relevant codes and regulations clearly
proposing the “equivalent cast-in-place” prefabricated structure design and construc-
tion method, a relatively complete “equivalent cast-in-place” structural design theory
has been formed.
For another branch of the prefabricated concrete structure system, the “non-
equivalent cast-in-place” structure, the research on its basic performance and the
application in practical engineering are still in its infancy. Compared with the “equiv-
alent cast-in-place” type, the “non-equivalent cast-in-place” prefabricated concrete
structure, which connects all parts together by bolts, welding, or prestressing, has the
advantages of convenient installation, rapid construction, superior performance, and
v
vi Preface
so on. There is also no on-site wet operation, the construction efficiency is greatly
improved. At the same time, the self-reset of the node and the quick repair after
the earthquake can be realized by adding energy-consuming parts. Obviously, the
“non-equivalent cast-in-place” structure is more in line with the essence of “fab-
ricated” technology. However, due to the wide variety of “non-equivalent cast-in-
place” structures, the complex stress mechanism, the lack of a unified and reliable
design theory, and the lack of a complete design–production–construction system,
this situation greatly limits the promotion and practical engineering application of
the “non-equivalent cast-in-place” connection structure.
Faced with the development background of the “equivalent cast-in-place” struc-
ture and the technical status of the “non-equivalent cast-in-place” structure, a group
of colleges and universities, mainly Southeast University, have carried out in-depth
research under the support of the National Key R&D plan (2016YFC0701400) and
the National Natural Science Foundation of China (51838004). This book sorts
out and summarizes the above research results, systematically expounds seven new
prefabricated concrete structural systems, and focuses on the structural characteris-
tics, stress modes, performance advantages, and design methods of each new prefab-
ricated concrete structural system. And the combination of the new structural system
and construction industrialization technology and the advantages compared with
the traditional “equivalent cast-in-place” structural system are analyzed. Relevant
achievements can promote the basic theoretical research and technical development
and application of “non-equivalent cast-in-place” prefabricated concrete structural
systems, complementing the existing “equivalent cast-in-place” type each other, and
build a complete prefabricated concrete structure system, which provides theoretical
and technical support for large-scale application of fabricated concrete structures in
china. This book has prominent emphasis and rich contents, which can be used as a
reference book for the personnel in R&D, design and construction of prefabricated
concrete structures in China.
The book is divided into eight chapters, the main contents include: In Chapter 1
Introduction, systematically combing the characteristics and advantages of China’s
prefabricated concrete structures, combined with the classification and application
status of typical systems, analyzes its development limitations and future trends.
In Chapter 2 Ductile Precast Concrete Frame with Dry-Connections, based on the
component characteristics of the ductile connection device, focuses on its influ-
ence on the seismic performance of the prefabricated concrete frame, as well as
the shear force transfer mechanism of the system and the design method of the
member capacity. In Chapter 3 Prestressed Precast Concrete Frame with External
Dissipaters, based on three types of bamboo-shaped energy-dissipating rods of all-
steel, aluminum alloy, and partially restrained, from the external replaceable and
prestressed assembly levels, the damage control and performance effects of the
prefabricated concrete frame are emphatically described. In Chapter 4 Friction
Damped Self-Centering Precast Concrete Frame system, focuses on the friction
energy dissipation from five aspects: the construction mechanism of the prefab-
ricated structure, the test of the nodal energy dissipation device, the numerical
Preface vii
modeling of the structure, the seismic performance of the structure and the anal-
ysis of the structural fragility. In Chapter 5 Cast-In-Place Frame-Prefabricated Sub-
Frame System, combined with the design and construction problems of prefabricated
reinforced concrete structures in high-intensity areas and the energy dissipation and
shock absorption technology, focuses on the the energy consumption of the primary
and secondary frame connections is higher than the connection performance of the
nodes and the seismic requirements between the primary and secondary structures. In
Chapter 6 Prefabricated Rocking Wall Structural System, combined with theoretical
analysis, experimental research, numerical simulation, and other methods, focuses
on describing the seismic performance of the new rocking wall. Damage control
mechanism and residual displacement control ability. In Chapter 7 Prefabricated
Concrete Cassette Structure system, from the perspective of two types of substruc-
tures of hollow sandwich panel and grid frame wall, focuses on the static and dynamic
performance of the system, combined with the actual Engineering comparison and
analysis of its economy. In Chapter 8 Modularized Suspended Building Structure
system, based on the concept of substructure modularization of suspension structure
and shaking table test, mainly describes the vibration reduction mechanism, force
transmission characteristics, and optimization method of the system.
The writing of this book was jointly completed by Prof. Wu Gang, Prof. Wu Jing,
Prof. Zhou Zhen, Prof. Wang Chunlin, Prof. Feng De-Cheng, and Prof. Wang Jian
of Harbin Institute of Technology (Wu Gang, Feng De-Cheng: Chaps. 1, 6, 7, and 8;
Wu Jing: Chap. 2; Wang Chunlin: Chaps. 3 and 8; Zhou Zhen: Chap. 4; Wang Jian:
Chap. 5), the whole book was drafted by Wu Gang and Feng De-Cheng. During the
writing process, doctoral candidates Wang Zhun, Cao Xuyang, Ye Zhihang, Chen
Zhipeng, Cui Haoran, Liu Ye, Xie Luqi, etc., made great contributions, and I would
like to express my heartfelt thanks here.
This book strives to present the latest research and practical results of prefabricated
structural systems to readers. Due to the rush of time, the current development of
prefabricated buildings (especially “non-equivalent cast-in-place” structures) is in
its infancy, and the limitation of engineering practice and technical accumulation,
there must be omissions and deficiencies in the book. Your suggestions would be
appreciated.
Nanjing, China Gang Wu
De-Cheng Feng
Chun-Lin Wang
Contents
1 Introduction ................................................... 1
1.1 Background ............................................... 1
1.2 Advantages of Prefabricated Constructions ..................... 4
1.3 Classification of Prefabricated Concrete Structures .............. 6
1.3.1 Prefabricated Frame Structure ......................... 7
1.3.2 Prefabricated Shear Wall Structure ..................... 11
1.3.3 Prefabricated Frame-Shear Wall (Core Tube) Structure .... 15
1.4 Application Status of Prefabricated Concrete Structure
System in China ............................................ 16
1.4.1 Prefabricated Monolithic Prestressed Slab-Column
Frame Structure ...................................... 16
1.4.2 Scope System ....................................... 19
1.4.3 Ruentex System ..................................... 22
1.4.4 Prefabrication and Assembly Technology of Vanke,
Sievert, Zoina and Yuhui Groups ....................... 26
1.5 The Development Limitations of the Current Prefabricated
Concrete Structure System ................................... 27
1.6 Main Contents of This Book ................................. 29
References ..................................................... 31
2 Ductile Precast Concrete Frame with Dry-Connections ............ 33
2.1 Introduction ............................................... 33
2.2 Emulative Cast-In-Situ Method and Dry Connection Method ..... 34
2.3 Replaceable Energy Dissipation Connector ..................... 35
2.3.1 Plate Connector ...................................... 35
2.3.2 Bars Connector with Non-slipping Threaded Sleeve
Assembly ........................................... 40
2.4 Dry-Connected Beam-Column Joint ........................... 42
2.4.1 Double-Side-Yield REDC-PCF Beam-Column Joint ...... 42
2.4.2 Single-Yield REDC-PCF Beam-Column Joint ............ 49
2.5 Dry-Connected Column Base ................................ 58
ix
x Contents
2.5.1 Construction and Mechanism Performance .............. 58
2.5.2 Seismic Performance ................................. 59
2.6 Design Method of Dry-Connected Precast Concrete Frame ....... 65
2.6.1 Equal Displacement Rule ............................. 65
2.6.2 Design Procedure .................................... 67
2.6.3 Case Study .......................................... 72
2.7 Conclusions ............................................... 82
References ..................................................... 85
3 Prestressed Precast Concrete Frame with External Dissipaters ..... 87
3.1 Introduction ............................................... 87
3.2 External Replaceable Fuse-Type Dissipaters .................... 88
3.2.1 Concept and Configuration of Bamboo-Shaped
Dissipaters .......................................... 88
3.2.2 All-Steel Bamboo-Shaped Dissipaters ................... 89
3.2.3 Partially Restrained Energy Dissipaters .................. 101
3.3 Post-tensioned Precast Concrete Connections with External
All-Steel Dissipaters ........................................ 112
3.3.1 Test Specimens ...................................... 112
3.3.2 Test Setup and Loading Protocols ...................... 114
3.3.3 Test Program ........................................ 116
3.3.4 Experimental Observations and Results ................. 116
3.4 Conclusions ............................................... 123
References ..................................................... 124
4 Friction Damped Self-Centering Precast Concrete Frame .......... 127
4.1 Introduction ............................................... 127
4.2 Structure and Mechanism of Friction Damped Self-Centering
Precast Concrete Frames .................................... 128
4.2.1 Top and Bottom Friction-Damped Fabricated Frame ...... 128
4.2.2 Web Friction Damped Precast Frames ................... 130
4.3 Performance Test of Friction Energy Dissipaters ................ 132
4.3.1 Structure of Friction Energy Dissipaters ................. 133
4.3.2 Test Scheme ......................................... 134
4.3.3 NAO Test Results .................................... 137
4.3.4 Comparison of Experimental Results Between NAO
and Brass Plates ..................................... 138
4.3.5 Analysis of NAO and Ordinary Steel Test Structure ....... 141
4.4 Analytical Models of Self-Centering Prestressed Concrete
(SCPC) Frames ............................................ 143
4.4.1 Prototype Structure ................................... 143
4.4.2 Numerical Simulation of SCPC Frame with WFDs ........ 144
4.4.3 Numerical Simulation of Infill Walls at the SCPC-IW
Frames ............................................. 146
4.4.4 Model Validation and Calibration of SCPC
Beam-Column Connection and Infill Walls Model ........ 147
