Explain With Neat Sketches Different Types of Highway Bridges

If one of the legs of the interchange. Explain on the systems of aircraft parking practiced these days in the airports of the world.

Bridge Construction Classification And Types Of Bridges

Explain types of rubble masonry and ashler masonry.

. Country to Country Types of Columns. Therefore please read the article till the end. Culvert bridgeless than 6 m Minor bridgeless than 6 m-60m Major bridgemore than 60 m Long span bridgemore than 120 m According to function.

Q2 Attempt any Three of the following. Road-cum-rail or pipe line bridge. Lecture Note COSC 421.

In order to bring down the level of water table for roads running in flat country with low embankments the longitudinal sub-surface drains or pipe drains are placed below the surface of the ground in the permeable saturated stratum The pipe drains may be of vitrified clay with open joints butting against each other or they may be perforated at. Lets take a few moments to look at the four types of bridge abutments. Common types of interchange include trumpet interchange diamond interchange and cloverleaf interchange.

Haque 3 Wall footing is a continuous slab strip along the length of wall. To allow for longitudinal expansion or contraction due to changes in the temperature. Shaft or Morning Glory Spillway 6.

Single Bascule Bridge Double Bascule Bridge Movable swing bridges In swing bridges the girders and deck can be swung about its. In this article we explain different types of stone masonry with full details. Below is the list of 5 main types of bridges.

This helps in transmitting the forces formed by the loads to the below. These components vary based on the type of bridge whether concrete or steel or composite. In its simplest form a log across a creek is an example of a girder bridge.

The alignment of the road may be decided keeping in mind the class and purpose of the road. National and state highways between two stations should be aligned as straight as possible whereas in the case of other types of roads deviation may be permitted. It is used to support bridge superstructure and transfer the loads to the foundation.

The types of aircraft parking five categories nose in nose out angle nose in angle nose out parallel explain the types of parking configurations with neat sketches. These can be square rectangular or circular. Hard Wood Softwood and Semi- Hard Wood.

When one or more of the crossing highways are taken at an elevation higher than the general ground level at which the others are constructed an over-bridge is needed for the ones at the higher level. Iii Methods to lower water tables. Free Over-Fall Straight Drop Spillway 2.

Intakes are used to collect water for water works from various sources. State the functions of bridge bearing and also State the types of bridge bearings with neat sketches. Side Channel Spillway 4.

6Right of Way ROW Right of way ROW or land width is the width of land acquired for the road along its alignment. In bascule bridges the main girders are lifted together with deck about the hinge provided on one end of the span. The intake work for each type of source is designed separately according to its requirements and situations.

Depending on the source of water the intake works are classified as follows. 8 Most Common Types of Spillways With Diagram This article throws light upon the eight most common types of spillways. According to length of bridge.

To achieve this the alignment can be changed. Trumpet interchange is a popular form of three leg interchange. To allow for angular movement at support due to deflection of girders.

Girder bridges Arch bridges Cable-stayed bridges Rigid Frame Bridges Truss bridges. To maintain the comfortable and constant speed on Highways The radius of the horizontal curve should be less than 230m. Also we explain important points for stone masonry surfacing of stone masonry joints of stone masonry appliance use for lifting a stone.

It should be adequate to accommodate all the cross-sectional elements of the highway and may reasonably provide for future development. Grade separation may be achieved by the construction of an over-bridge or an under-bridge. The factors which control alignment of roads in plain areas as under.

Cable-stayed bridges are similar to suspension bridges and also use cables but their form is different they have fewer cables and towers that hold cables are much higher. The superstructure of the bridge structure consists of deck slab girder truss etc. Lecture Note COSC 421 ME.

The typical gravity abutment is the most common type of abutment and it includes the bridge. Selection of bridge site involves many factors and is finalized where the river path is the same throughout the year. D Explain softening point test on bitumen with neat sketch.

Ogee Overflow Spillway 3. Kerb Right of way Camber Super elevation b Define design speed. A bridge pier is a type of structure that extend to the ground below or into the water.

To distribute the load received over large area. Dimensions and Uses Medium Density Fiberboard MDF Board. Types Components Advantages Disadvantages Standard Door Height.

Function of bridge bearing. C Explain widening of road on horizontal curve with neat sketch. Superstructure of the bridge bears the load passing over it.

12 Marks a Define. Depending upon the width of channel the bascule bridge may either be single or double. Superstructure Components of Bridges.

Sub-types include the simple suspension bridge the stressed ribbon bridge the underspanned suspension bridge the suspended-deck suspension bridge and the self-anchored suspension bridge. Chute Open Channel or Trough Spillway 5. Interchange is a system where traffic between two or more roadways flows at different levels in the grade separated junctions.

Types of Footings Isolated spread footings under individual columns. The two most common girders are I-beam girders and box-girders. The sources may be lakes rivers reservoirs or canals.

Write four factors affecting it. When they are taken at an elevation lower than the general ground level an under-bridge fulfills. G State the types of drainage system.

Aqueduct bridgecanal over a river Viaductroad or railway over a valley or river Pedestrian bridge. Large curves on highways are not desirable. Uses Manufacturing Advantages Disadvantages 7 Wall Texture You Can Try On Walls 38 Types of Wood.

The bridge piers can be constructed to be substantially attractive and strong in order to withstand both vertical and horizontal loads. It is the most common and most basic bridge type.

Types Of Bridges Bigrentz