The whole bridge is not provided with brake piers.
on July 14, 2011, the north end of Wuyishan Gongguan bridge in Fujian collapsed, and a tourist bus running on the bridge fell under the bridge, killing one driver and injuring the other 22 people.
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When the formwork and reinforcement were found to be warped for many times, the cause analysis was not carried out, and the blind construction continued.
The site disposal was wrong.
No load test was carried out.
03 replay of the collapse of Baoshan Temple Bridge in Huairou District, Beijing: at 0:40 on July 19, 2011, a seriously overloaded 6-axle truck with a load of more than 160 tons passed through the Baihe bridge of Baoshan Temple in Huairou, Beijing.
07 cause of Tianzhuangtai bridge accident in Panjin, Liaoning: replay of vehicle overload: at about 7 a.m.
15 cause of collapse accident of Jinjiang bridge on Jilin provincial road 302: replay of vehicle overload event: at about 20:30 on June 8, 2010, Jinjiang bridge at 194km + 100m of Chaochang highway on Jilin provincial road 302 suddenly collapsed.
At about 13:15 on May 26, 2011, a collapse accident suddenly occurred in the closing project of MABA interchange in Qujiang District, Shaoguan City, Shaoguan City, resulting in two deaths and one minor injury.
Before the accident, a 30 ton heavy cargo trailer of Dalian Shunda transportation company, carrying 80 tons of cement, passed through the bridge under severe overload (the bridge was determined to have a traffic load limit of 15 tons and a speed limit of 20 km / h in July 2000).
04 accident cause of Xiaonanmen bridge in Yibin, Sichuan: Boom fracture Replay of the event: at 4 a.m.
The abdominal arch adopts a constant section circular arc arch.
A large truck driving on the bridge and the bridge deck fell into Jinjiang River.
on November 7, 2001, the suspension cable and bridge deck of Yibin Nanmen bridge, the throat road from Yibin in southern Sichuan to Yunnan, broke, and both ends of the bridge collapsed at the same time, resulting in the interruption of traffic and communication outside the city.
The collapsed bridge was W-shaped and wavy.
Another group of relevant units and individuals that led to the accident were also punished accordingly.
The accident was caused by the fracture of 4 pairs of 8 steel cable suspenders connecting the arch and the deck precast slab, and the collapse of the deck precast slab with a length of about 10m at the north end and more than 20m at the south end.
The accident investigation team shall give more than administrative dismissal to the chief engineer of Shaoguan Highway Bureau, the deputy general manager of Shaoguan highway engineering company, the manager and safety responsible person of Shaoguan highway engineering company’s Bridge Branch, the deputy manager and technical sponsor of Shaoguan highway engineering company’s Bridge branch who have direct leadership responsibility, and transfer them to the judicial organ to investigate their criminal responsibility according to law.
Experts say that this stone arch bridge is a traditional bridge type, but it is also a “risk bridge type”.
Truck overload is the main cause of collapse accidents.
Due to uneven stress, after one side collapses, the supporting force of the bridge deck swings in waves, resulting in the collapse of the other side.
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The picture shows the rescue team’s full rescue on the current line.
Accident cause: some or part of the suspenders of the bridge are broken, resulting in the loss of load on the bridge deck and the collapse of the bridge deck.
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After the accident, the two people on the vehicle have been rescued, The construction waste carried by this vehicle is up to 20 tons, which belongs to overload.
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05 Guangdong Jiujiang Bridge accident cause: Ship Collision Replay of the event: at 5:10 a.m.
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The heavy load impact caused the instantaneous brittle fracture of the prestressed structure at the cantilever end of the ninth hole of the bridge, resulting in the collapse of the bridge slab, An agricultural vehicle passing through the bridge fell into the water, and two people on board escaped.
on June 10, 2004, Tianzhuangtai bridge in Panjin City, Liaoning Province suddenly collapsed.
12 accident cause of Hongqi Road Viaduct in Zhuzhou, Hunan Province: playback of demolition risk event: on the afternoon of May 17, 2009, the viaduct originally scheduled to be demolished by blasting collapsed, and 24 vehicles on the site were damaged, including a bus, killing at least 9 people and injuring 16 people.
This is the famous “6.15 ship collision and breaking accident of Jiujiang Bridge” at home and abroad, also known as the “Jiujiang Bridge Incident”.
02 Beijing Shunyi suspension bridge collapsed during load test December 10, 2006 Beijing Shunyi suspension bridge collapsed during load test, and 10 trucks carrying sand fell into the water.
Four people were buried and two died in the collapse accident of Shaogan expressway.
New friends click above Blue word Attention 01 Fujian: replay of the collapse of Wuyishan Gongguan bridge: at about 8:50 a.m.
14 replay of Fuxin bridge collapse accident at Lixin Road, Beitang District, Wuxi, Jiangsu Province: at about 2 a.m.
On the ramp where the accident occurred, two columns 32 meters high from the ground collapsed, and the steel cast-in-situ beam support of the column collapsed to one side into the Maba river.
The bridge broke 27 meters from the middle.
The foundation is laid on weakly weathered marl or dolomite, and the foundation is constructed of concrete and stones.
When passing the first hole of the bridge, the bridge collapsed, and then all the 4 holes collapsed.
Accident cause of Hunan fenghuangdixi Tuojiang bridge: non-standard design and construction Replay: on the afternoon of August 13, 2007, the Dixi Tuojiang bridge under construction in Fenghuang County, Hunan Province collapsed, resulting in 64 deaths, 4 serious injuries and 18 minor injuries, with a direct economic loss of 39.747 million yuan.
The main arch ring of the superstructure of the bridge is a constant section catenary open web hinged arch.
The accident resulted in 8 deaths and 12 injuries.
A total of 7 trucks and taxis were injured..
Four people were trapped.
The operators were not trained.
A taxi fell under the bridge when driving to the collapsed bridge.
06 replay of baiqiaokeng bridge on pingru highway in Shaoguan City, Guangdong Province: at 9:10 a.m.
Cause of Chongqing Qijiang rainbow bridge accident: nonstandard design and construction event playback: on January 4, 1999, Qijiang rainbow bridge collapsed, with a service life of only two years and 222 days.
on May 26, 2011, the Viaduct (about 50m long and 33m high) on a ramp of Shaoguan Jiangxi Expressway and Beijing Hong Kong Macao Expressway Interchange located in Shuikou village, MABA Town, Qujiang District, Shaoguan City, had scaffolding and The collapse of columns and bridge deck caused 7 deaths and 1 minor injury.
08 accident cause of Xiaojianshan bridge in Guizhou: replay of support problem event: at about 5:30 on December 14, 2005, the support of Xiaojianshan bridge suddenly collapsed, two sections of pouring bridge deck across three piers crashed, and the construction workers on the bridge deck also flew into the valley at the same time.
The expert group determined that the internal prestress of the bridge was seriously damaged under the long-term action of out of gauge vehicles.
on December 20, 1996, baiqiaokeng bridge on pingru highway in Shaoguan City, Guangdong Province suddenly collapsed during construction, killing 32 people and injuring 59 people.
The fractures on both sides are at the junction of the main bridge and the approach bridge, which is precisely the junction of the suspension bridge’s dynamic and static.
The major liability accident caused by project quality resulted in 40 deaths, including 18 young armed police soldiers, with a direct economic loss of more than 6.28 million yuan.
Cause of accident: support instability 1.
on June 15, 2007, a sand carrier from Foshan deviated from the main channel and hit Jiujiang Bridge, resulting in about 200 meters of bridge deck collapse and 9 deaths.
There are 6 Interchange Ramps in MABA interchange of Shaogan expressway, and one of them was involved in the accident.
09 cause of collapse accident of MABA interchange of Shaoguan Jiangxi Expressway in Guangdong Province: replay of support collapse event: at about 1:15 p.m.
The overall design and calculation of the support are not carried out, and the construction scheme is not formulated.
on December 26, 2009, an engineering vehicle with the brand of Su b66615 carried construction waste from a demolition site of Wuqiao to Qingshi West Road through Lixin Road, which drove to the center of Fuxin bridge, resulting in the collapse of Fuxin bridge arch bridge.
The main reason for this accident was that the foundation construction did not meet the requirements of relevant specifications during support erection, the wall thickness of some support steel pipes was not enough, and there was a lack of backing plate between some support main pipes and sleepers.
