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研究
Research

 

高性能混凝土預力梁力學行為
Mechanical behavior of prestressed concrete girders with high performance concrete

  

(a) (b)
(a)Self-compacting concrete with f'c=70 MPa; and (b) Testing of a girder specimen


 A series of photos showing flexural failure of a prestressed girder
 


 Video showing shear failure of a prestressed girder

 

高強度鋼筋與混凝土耐震行為
Seismic behavior of high strength reinforced concrete members

  


Shear failure of a column under double-curvature cyclic loading
(f'c=100 MPa, fy=685 MPa(Long.), 785 MPa(Trans.), 0.1f'cAg, 3% drift)


 Video showing sudden shear failure of a column
 (f'c=100 MPa, fy=685 MPa(Long.), 785 MPa(Trans.), 0.3f'cAg, 1% drift)

 

沿街店鋪式住宅耐震行為與評估
Seismic behavior and evaluation of reinforced concrete street houses in Taiwan

 


Weak first-story failure of a street house during 1999 Chi-Chi earhquake

 

店鋪式住宅外牆耐震行為
Seismic behavior of exterior walls of street houses
 
                                     (a)                                  (b) 
(a) Failure pattern of a wall with two openings; and (b) Hysteretic behavior

 

店鋪式住宅耐震評估
Seismic evaluation of street houese

Structural model

Pushover results

 

外牆耐震性能提升
Seismic strengthening of exterior walls
 

 Innovative diagonal reinforcement for exterior walls

 

鋼筋混凝土結構動力行為
Dynamic behavior of reinforced concrete structures

  

Comparison of the proposed hysteretic behavior for RC bridge columns with results of tests under various loading protocols

 

預鑄混凝土耐震行為
Seismic behavior of precast concrete structural members

  

高強度鋼筋混凝土預鑄柱耐震行為
Seismic behavior of precast high strength steel and concrete columns


Longitudinal reinf. spliced with grouted couplers; transverse reinf. with welded hoops
f'c=70 MPa, fy=685 MPa(Long.), 785 MPa(Trans.)

預鑄梁主筋於梁柱接頭以T頭鋼筋對頂錨錠行為
Head-to-head anchorage behavior for long. bars of precast beams at a beam-column joint


Note the headed bar anchorages at the beam-column joint

耐震預鑄混凝土構件接頭
Seismic resistant precast concrete connections

Splitting bond test for No. 14 bars in grouted ducts for precast connectio
ns

預鑄節塊混凝土橋柱耐震行為
Seismic behavior of precast segmental concrete bridge columns

Cyclic test of a large-scale tall segmental column with a CIP plastic hinge region

 

腐蝕鋼筋混凝土結構耐震行為
Seismic behavior of reinforced concrete structures with corroded steel reinforcement 

 

腐蝕鋼筋混凝土梁耐震行為
Seismic behavior of corroded reinforced concrete beams


Flexural-shear failure of a beam with corroded stirrups
(35% corrosion weight loss for stirrups, 3% drift)

 

腐蝕鋼筋力學行為
Mechanical behavior of corroded steel reinforcing bars


A corroded reinforced concrete building complex in the northern coast of Taiwan


Naturally corroded D16(#5) steel bars from the corroded building shown above
Corrosion weight loss of (a)5.9%; and (b)38.5%

 

腐蝕鋼筋混凝土橋梁側推耐震分析
Seismic evaluation of corroded reinforced concrete bridges


Finite element model of a corroded bridge


Decrease of bridge yield and collaspse PGA as the increase of corrosion level

    

新型多螺箍柱耐震行為
Seismic behavior of reinforced concrete columns with innovative multi-spiral transverse reinforcement

  


Hysteretic behavior of an innovative 6-spiral column


Hysteretic behavior of an innovative 7-spiral column


Hysteretic behavior of an innovative 11-spiral column

 

圓形鋼管混凝土柱之梁柱接頭區細部設計與耐震行為研究
Innovative through flange connection for steel beams to circular CFT columns

  

through flange connection
Proposed through flange connection for steel beams to circular CFT columns


Deformation of the panel zone of a beam-column specimen with the proposed connection under beam end loading (close view of the joint shown at upper right coner)