A verticallift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck the vertical lift offers several benefits over other movable bridges such as the bascule and swingspan bridge. Alignment of the machinery for tower drive vertical lift bridges 2 introduction this paper will limit its discussion to tower drive vertical lift bridges. It formerly connected minnesota state highway 36 and wisconsin highway 64. The bridge is estimated to operate roughly 120 times per year for the passage of large vessels to the ports. Today it operates at reduced train speeds and is safe, but vulnerable to future storms. Vertical lift bridge project free download as pdf file. The sir ambrose shea vertical lift bridge is located on the avalon peninsula, in the town of. Lift bridge a vertical lift bridge or lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck. The bridge has a unique feature that it based on the vertical lift. Aashto cobs t8 technical committee on moveable bridges. The counterweights in a vertical lift are only required to be equal to. The stiffness design has the main importance in real static and dynamic behavior of the bridge. A new concept for a large vertical lift bridge over the river seine in. The movable span of a vertical lift bridge is raised in order to.
The stillwater bridge alternatively known as the stillwater lift bridge, st. A striking design feature, the two road sections are mounted outside the central towers. Nhdot spr2 program research progress report a senior capstone project for the 20182019 academic year is continuing this work using data collected from the vertical guide posts. Acrow temporary lift bridge structural details 6242019 aashto cobs t8 acrow temporary lift span southern blvd.
Do not operate lower level controls unless permission is obtained from the workers in the lift except in emergencies. Other articles where verticallift bridge is discussed. He motivation of the presented paper is the project of the new botlek bridge. Vertical lift span bridges roads and maritime services nsw. Publications the living bridge portsmouth memorial bridge. Bridges presentation bridges february 7th 2009 revised by florida engineering society. Moving bridges drawbridge bascule bridge curling bridge vertical lift bridge retractable bridge tilt bridge 11. Vertical lift span bridges movable span bridge study project, 2216519. Raritan river bridge replacement resilience program. The vertical lift offers several benefits over other movable bridges such as the bascule and swing snap. Miscellaneous information, links, photos, reports, presentation, etc.
These aspects are described for rolling lift, vertical lift, and trunnionstyle bascule bridges. Clearance gauges, missing, not legible or numbers not readable from 12 mile minimum distance. The presentation will address the ability of the alternatives to safely carry traffic, pedestrians and bicyclists. Explain the responsibilities of the personlncharge pic and designated leader. Bridge type selection and engineering overview when the history of our time is written, posterity will know. Ppt bridges powerpoint presentation free to download. A large new lift bridge is being completed over the river seine, half way between the city of rouen and its harbour. In 2010, the njdot executed a memorandum of agreement to mitigate the effects of replacing the wittpenn bridge. An elevating member, the lower end of which is so attached to a rotating or nonrotating base that permits elevation of the free end in the vertical plane. The paper provides a part of the vertical lift bridge design.
They are generally easier to design and easier to build. State the requirements for routine and periodic inspections. A new concept for a large vertical lift bridge over the river seine in rouen. A verticallift bridge or lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the road surface the vertical lift offers several benefits over other movable bridges such as the bascule and swingspan bridge. Aerial lift and elevating work platform safety program final 2018 page 6 of 40 aerial lift and elevating work platform safety program university of california berkeley boom. Design and construction of the gilmerton vertical lift bridge. The lift span truss is 4170 long and 206 wide with a 414 lift height and weighs 3 million pounds. Utilization of this bridge stops the road traffic so that its open for river traffic. Pont gustaveflaubert crossing the seine at rouen, this lift bridge is the highest vertical lift bridge in europe, citation needed allowing ships up to 55 m tall to pass under it. Moveable bridges hawthorne bridge 1910 vertical lift bridge. Only six verticallift highway bridges were built in minnesota and wisconsin prior. Motivation the motivation behind the project is the kattwyk bridge, hamsberg, germany. The initial warning siren heard on the audio portion is coming from the moving bridge.
Vertical lift mechanismthe kattwyk bridgemechanical mini. It operates similar to an elevator, with the center span raised as the counterweights move down the vertical towers. Kevin johns, pe movable bridge business unit director june 27, 2016. The bridge was erected in 1959 in florence, alabama, but was. Bridge monitoring for decision making of the vertical lift bridge. The author served as a mechanical inspector during the construction of a combined highwayfreight tower drive vertical lift bridge.
Eccentric bobtail swing bridge vertical lift bridges. Keywords vertical lift bridge, stiffness analysis, substructure system model. Moveable vertical lift central span extends between two towers balanced by counterweights variation of this type is bridge over shattal arab river in iraqroadway sinks into water to allow ships to pass over it 116. Pi bell continues to communicate with bridge designer, ted zoli. A verticallift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck. Always place the bridge and trolley directly over the load when raising or lowering it. The sir ambrose shea vertical lift bridge is located on the avalon peninsula, in the town of placentia, approximately 100 km west by southwest of the capital city st. Design and construction of the pont bacalanbastide. Do not operate an aerial lift in high winds above those recommended by the manufacturer. As a threefield bridge made of steel truss, each with a machine house for bridge. Bridge monitoring for decision making of a vertical lift.
They usually cost less to build for longer moveable spans. Originally constructed in 1961, it remains the only movable bridge in the province. The bridge has a unique feature that it based on the vertical lif t mechanism, its middle movablepart lifts to give way to the ship passing by thus maintaining waterways transport. Main goals of this activity learn about how bridges are used and why we need them identify forces acting on a bridge handson activity. The bridge is a critical link on the north jersey coast line, nj transits third most heavily used rail line raritan river drawbridge was significantly damaged during sandy in 2012 the bridge was closed for three weeks after the storm for repairs. Bridge discrepancies, which could pose a hazard to navigation, include the following. It originated in medieval europe, probably normandy, as a defensive feature of castles and towns.
Vibration and deflections arise from raising and lowering the bridge spans, along with deviations from intended alignments and fits dictated by various codes, which in turn can cause abnormal behavior, wear, and fatigue of critical components. The modern engineering concepts used to build it provide an exciting. Unusual aspects of the project galveston bridge aashto bridge meeting 20 new tower foundation integral with existing arch approach spans. Vertical lift bridge project truss gear free 30day trial scribd. Generally speaking they cost less to build for longer moveable spans. Describe and state what an ordinary lift and critical lift is. Minnesota department of transportation mndot historic bridge management plan bridge number. The planning envisages the construction of a 287 m long vertical lift bridge approximately 58 m north of the kattwyk bridge. M2 swing bridge m3 vertical lift bridge m4 double leaf bascule bridge m5 single leaf bascule bridge 18. Engineering 5 introduction inspiring students in engineering the st. Additional components of the project include historic american engineering record documentation of the bridge and interpretive. Aerial lift and elevating work platform safety program. The bridge has a lift span of approximately 118 m in length.
State the proper hand signals used during lifting operations. Galveston bridge lift span inching towards its final resting place aashto bridge meeting 20. Verticallift bridge mechanical engineering project topics. The contribution deals with stiffness analysis of the bridge. The kattwyk bridge the example for verticallift railway. Joseph, wisconsin, and oak park heights, minnesota, and replace the stillwater lift bridge.
Miscellaneous association for bridge construction and design. The new bridge is being constructed approximately 200 feet north of the existing bridge and staged to minimize detours of traffic. Properly store the crane and rigging when not in use. Movable bridges and typesadvantages special types pf. Wisdot structure inspection manual chapter 3 vertical lift bridges. In the closed position the bridge has a vertical clearance over the waterway of approximately m and a horizontal clearance for navigation of 106 m. Notify all coworkers in the area when making a lift. Hydraulic systems for movable bridges objectives ability to handle varying loads smooth acceleration and deceleration positive locking in any position 12.
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