The majority of these equipments are used in road excavation and earthmoving haulingsome of them. The mass diagram considers unidirectional earthwork only. For example, if we have two different ground layers, overburden and rock, we. Mass haul diagrams mhd mhd is a graph of volume against chainage. The mass haul line represents the free haul and overhaul volumes in cut and fill conditions along an alignment. Masshaul diagrams a masshaul diagram is a useful method to graphically represent the amount of material that will be cut and used for fill on. Exhibit 10 mass diagram with insufficient excavation. Quantity estimation and masshaul diagram hendriwibowo. Chapter 12 volumes and mass haul diagram a practical guide for using inroads v8i ss2 mass line this is the data line of th e mass haul diagram. Generating mass haul diagrams from civil site design, using excel. Mass haul diagram is also useful as a source of information to the contractor about which way the earthwork is to be moved. To create a mass haul diagram, the following items must be available.
The area you use is the area under the curve and the volume you use is the sum of the. Example 81 earthwork balance with muck example 82 earthwork balance with option borrow figure 81 mass haul diagram example 83 earthwork balance with select topping traffic diversion on site detour817 estimate of quantities for bid items818 pipe culvert undercutting819 table 81 culvert undercut quantities data. An innovative mass haul diagram development for highwayearthwork i. On the masshaul diagram, it is the area contained bn the curve and the balance line. This is essentially a plot of cumulative volume of. Compute the net earthwork values for each station, applying the appropriate shrink factor net cuts have a positive value, net fills have a negative value the value at the first station origin 0 plot the. The rising curve on the mass diagram indicates excavation and a descending curve indicates embankment. The mass diagram does not provide a real cost for a given design. In order to minimize material waste or borrow, it is necessary to produce what is called a. Average haul is the area of the mass diagram representing the number of cubic yard stations of haul between balance points divided by the ordinate of the mass which the yardage is hauled. Basil david daniel mass haul diagram example calculation the table below shows ground levels and formation levels for a proposed road construction.
Developing an efficient algorithm for balancing masshaul diagrams. Akiije department of civil and environmental engineering, university of lagos, lagos, nigeria. An innovative mass haul diagram development for highwayearthwork. West virginia department of transportation division of highways design directive dd701 contract plan presentation december 14, 2006 this design directive will generally describe the makeup and presentation of a complete set of contract plans, in order to standardize the production of such plans throughout the division of highways. Typical example of a mass haul diagram showing balance line above. Chapter 12 volumes and mass haul diagram a practical guide for using inroads xm 19. This practice workbook is formatted for onscreen viewing using a pdf reader.
Mass haul diagram refers to a graphical representation of the cumulative amount of earthwork moved along the centreline with distances by cut and embankment. This exercise teaches how to compute the proposed cross section endarea volumes and generate a mass haul diagram. Mass haul diagrams to construct the mass haul diagram manually. The horizontal coordinates are the stations, each vertical line representing a full 100foot station. To learn how to create a material list, see the creating a. Its used to compare the economy of various methods of earthwork distribution on road construction schemes, railway construction schemes, canal construction schemes, pipeline construction schemes e. Determine the total cost and the cost per cubic yard for the earthwork of the first. The area you use is the area under the curve and the volume you use is the sum of the peaks and valleys on the diagram. The mass diagram can be considered to be the fourth major drawing of a. Its xaxis represents the distance in stations, while the yaxis represents the cumulative volume the algebraic sum of excavations and embankment between any selected points after correction due to soil condition. By doing so, the mass haul diagram will better reflect the anticipated haul of material. Chapter 3 section 303 earthwork design 4 august, 2011 introduction general. Now im just a few days away from completing and receiving my samsung tablet.
Comic sans ms arial times new roman verdana wingdings eclipse microsoft excel chart ce 453 lesson 24 earthwork and mass diagrams terrain effects on route location earthwork analysis average end area method slide 5 shrinkage swell computing volume example computing volume example slide 10 slide 11 mass diagram estimating end area estimating. Mass haul diagrams an earthwork profile is a plot of the net earthwork along a. It is a graphic representation of the mass ordinate that is displayed on cross sections and in the end area volume report. Calculation of average or free haul the two values you need for the calculation of average or free haul are an area and a volume. Mass haul diagram is usually used to calculate the average haul, free haul between two given balance points and also the average or free haul for the entire project area. View homework help mass haul diagram example solution. Overhaul is part of the haul which remains after the free haul has been removed. Calculate mass diagram assuming shrinkage 25% total cut 1 to 2 555. Earthwork mass diagrams and haul distance learn civil engineering. Gls458 basic engineering survey rap2202b madam mimi diana bt ghazali. Mass haul diagram free download as powerpoint presentation. Nov 15, 2017 right click in the mass haul window select mass haul options to open the dialogue box shown in the figure below.
If a horizontal line is drawn to intersect the diagram at two points, excavation and. The mass haul diagram is created using the data from the xsdata worksheet. Mass diagrams helps engineers determine the most economical way to handle the distribution of earthwork volumes. Developing an efficient algorithm for balancing masshaul.
A mass haul diagram where land and rock cuts are hauled to fills. These values apply any compaction factors that you have set. Overhaul the authorized hauling of excavation beyond the specified free haul distance. One of the major tasks in roadwa y construction is removing and placing earth materials to.
Figure 1010 shows the values from the table of cumulative yardage plotted on a mass diagram. Mass haul diagram example the volumes between sections along a 1200 m length of proposed road are shown below, positive volumes denoting cut, and negative volumes denoting fill. Haul the transportation of excavated material from its original position to is final location in the work or other disposal area. Nddot construction conference 2011 east conference. It does not account for earthwork that could start on either end of the road.
Surveying lecture notes free haul, overhaul, and mass haul. The benefits of using the spreadsheet for developing the mass haul diagram are that the data is directly tied to the summary, hand calculated quantities are easily included in the diagram, and the diagram. Computing volume example shrinkage 10%, l 100 ft station 1. In earthmoving, cut and fill is the process of constructing a railway, road or canal whereby the amount of material from cuts roughly matches the amount of fill needed to make nearby embankments, so minimizing the amount of construction labor.
Procedure for filling and calculating for example refer to fig. Answer to the following mass haul diagram is applicable to problems 16 sta 100. Firas asad b roadwork excavation and hauling equipments depending on the function and suitability, there is wide range of heavy equipment used in road construction, mainly in earthworks and paving. Compute the net earthwork values for each station, applying the appropriate shrink factor net cuts have a positive value, net fills have a negative value the value at the first station origin 0 plot the value of each succeeding station which equals the cumulative value to that point, i. The scale length of that line is the average length of haul within that balanced section. Scribd is the worlds largest social reading and publishing site. The benefits of using the spreadsheet for developing the mass haul diagram are that the data is directly tied to the summary, hand calculated quantities are. Mass haul is defined as the volume of material multiplied by the distance it is moved during construction. These two values can be obtained from the mass diagram. Mass diagrams determine the average haul, free haul, and.
Mass haul diagram see dd705 for more information concerning the preparation of the mass haul diagram. Generating mass haul diagrams from civil site design, using excel during your design you can generate a volume report this will display the sectionbysection volumes over your design sampling eg. Typically, the mass diagram is plotted below a profile of the route. Exhibit 8 calculate total haul as sum of individual rectangles. Find the distance over which cut and fill will balance. Doc mass haul diagram kartikkeyyan loganathan academia. Its xaxis represents the distance in stations, while the y axis represents the cumulative volume the algebraic sum of excavations and embankment between any selected points after correction due to soil condition.
Average haul is the area of the mass diagram representing the number of cubic yard stations of haul between balance points divided by the. If the approach road length is excessive, the volumes can be tabulated in a separate grading summary or at the bottom of the mainline summary. Surveying lecture notes free haul, overhaul, and mass. During the construction of long engineering projects such as roads, railways, pipelines and canals there may be a considerable quantity of earth required to be brought on to the site to form embankments and to be removed from the site during the formation of cuttings. Section 303 earthwork design wyoming department of. Chapter 10 earthwork geopak road 1 104 missouri department of transportation 41216 plot mass haul diagram this diagram is not used by modot. Download as pptx, pdf, txt or read online from scribd. Embankment and excavation volumes for an entire project are summarized in the form of a mass diagram, wh ich is an extremely useful tool in the. The vertical coordinates are cumulative volumes, plus or minus, from a line of line ofeach horizontal line representing an increment of 200 cubic yards. Jun 19, 2017 gls458 basic engineering survey rap2202b madam mimi diana bt ghazali. In the example, the mass ordinate at the end of the project is near zero, indicating. Type and read the help text if you are unfamiliar with terms such as free haul, over. Similar to a masshaul diagram, we can add borrow and waste pits in the borrowwaste window see figure 14.
Identify the the resulting balanced sections, which are bounded by points that intersect the xaxis draw a horizontal line midway between the peak or valley and the xaxis. Vertical profile optimization on the cloud user manual january 2012. The mass diagram does not account for different costs, such as excavation, embankment, load, borrow, and waste. The embankment crest width and cutting base width is m. The free haul distance for a cut and fill project 100yds.
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