Nov 15, 2017 right click in the mass haul window select mass haul options to open the dialogue box shown in the figure below. Put our mass haul solutions into your projects workflow and get immediate results. These two values can be obtained from the mass diagram. Nddot construction conference 2011 east conference. Select endarea volumes from the dialog box explorer. The mass diagram does not provide a real cost for a given design.
The mass diagram is used to find the cost of a project in terms of haul distance and yardage, to locate the areas for operation for various types of equipment, to establish the requirements for. The mass haul diagram generated using microsoft excel showed similarly and in very good. Assume an 18 mph haul speed and a 22 mph return speed. The vertical coordinates are cumulative volumes, plus or minus, from a line of line ofeach horizontal line representing an increment of 200 cubic yards. Identify the the resulting balanced sections, which are bounded by points that intersect the xaxis. Earthwork that is in place will yield more yardage when excavated and less yardage when being c. Surveying lecture notes free haul, overhaul, and mass. Fm 5430001 chptr 3 surveys and earthwork operations. The mass haul view is the grid on which the mass haul line is drawn. Determine the total cost and the cost per cubic yard for the earthwork of the first balance point of the mass diagram in fig.
The total cutminusfill is plotted at each station directly below the profile plot. This is a curve representing cumulative volume of earthwork at any point on curve, the manner which earth to be removed. To modify any of the elements in the diagram, click on the item, right click and select the. 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. Mar 26, 2018 bfc 3042 highway engineering lecturer. The mass haul diagram will update to the newly defined data set. The majority of these equipments are used in road excavation and earthmoving haulingsome of them.
Earthwork mass diagrams and haul distance learn civil engineering. A masshaul diagram is a curve drawn subsequent to the calculation of earthwork volumes more especially for long works such as railways and roads. 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. Doc mass haul diagram kartikkeyyan loganathan academia. Any horizontal line on mass diagram is a balance line within balance line cut fill. 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. The concepts behind the mass haul diagram are discussed in detail in the help document.
An innovative mass haul diagram development for highwayearthwork. The scale length of that line is the average length of haul within that balanced section. Draw a horizontal line midway between the peak or valley and the xaxis. Gls458 basic engineering survey rap2202b madam mimi diana bt ghazali. A selfloading scraper with a struck capacity of 15 cy will be used to excavate and haul the soil. Mass haul diagrams diagrammatic representation of earthwork volumes. Mass diagram a graphical representation of the cumulative amount of earthwork moved along the centerline and distances over which the earth and materials are. Determine the total cost and the cost per cubic yard for the earthwork of the first. It is, in fact, using the mass ordinate for the data line. 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. 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. Mass haul diagram construction exam engineer boards.
Overhaul the authorized hauling of excavation beyond the specified free haul distance. Average haul is the area of the mass diagram representing the number of cubic yard stations of haul between balance points divided by the. It is a diagram provides a suitable means for studying haul and overhaul to compute the total payment. Average haul is the area of the mass diagram representing the number of cubic yard stations of haul between balance points divided by. Grading summary spreadsheet cflhd spreadsheet used to generate the grading summary, mass haul diagram, and miscellaneous summaries. In order to minimize material waste or borrow, it is necessary to produce what is called a. Diagram d indicates a balanced material situation although it may be more feasible to perform both borrow and waste hauls during construction based on factors not considered in this question.
Jun 19, 2017 gls458 basic engineering survey rap2202b madam mimi diana bt ghazali. Earthwork representation guidelines cflhd document providing a guide to the standard procedure for calculating and representing earthwork volumes in the plans. Garber 2010 claimed that a common method of determining the volume is that of average end areas based on the assumption that the volume between two. 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. The mass diagram considers unidirectional earthwork only. Each phase will stay on track with instant reporting and realtime production data. Type and read the help text if you are unfamiliar with terms such as free haul, over.
The horizontal coordinates are the stations, each vertical line representing a full 100foot station. The mass haul diagram is created using the data from the xsdata worksheet. Mass haul diagram see dd705 for more information concerning the preparation of the mass haul diagram. 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. 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. The mass diagram does not account for different costs, such as excavation, embankment, load, borrow, and waste. Say goodbye to the days of mass haul planning being a long and complex process. A mass diagram is a graph or curve on which the algebraic sums of cuts and fills are plotted against linear distance. To learn how to create a material list, see the creating. Surveying lecture notes free haul, overhaul, and mass haul.
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. Jan 26, 2012 diagram c indicates that there will need to be a waste haul there is excess material on the project. The mass diagram is an excellent method of determining waste or borrow volumes and can be adapted to show haul transportation considerations figure 6. Haul the transportation of excavated material from its original position to is final location in the work or other disposal area. Besides that the program computes volume of transverse cut to fill haul, volume of active zone and improving subbase and also ordinates of masshaul diagram in. Creating a masshaul diagram a masshaul diagram looks like a profile but the ground line represents the amount of earthwork.
To modify any of the elements in the diagram, click on the item, right click and select the format choice. View homework help mass haul diagram example solution. Jun 19, 2017 autodesk autocad civil 3d mass haul diagram duration. Basil david daniel mass haul diagram 50000 40000 30000 20000 0 0 0 20000 30000 40000 50000 60000 70000 80000 90000 cumulative volume cubic meter 0 100 200 300 400 500 600 700 800 900 1100 1200 0 1400 chainange m 3 1500. Before these cuts and fills are tabulated, the swells and compaction factors are considered in computing the yardage. Figure 1010 shows the values from the table of cumulative yardage plotted on a mass diagram. 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. Garber 2010 claimed that a common method of determining the volume is that of average end areas based.
Chapter 12 volumes and mass haul diagram a practical guide for using inroads xm 19. West virginia department of transportation division of highways design directive dd701 contract plan presentation december 14, 2006. 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. 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. The diagram may have to be adjusted to print correctly. 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. Mass haul diagrams mhd mhd is a graph of volume against chainage. The middle axis of the mass haul view is known as the balance line. In this exercise, you will create a mass haul diagram that displays free haul and overhaul volumes for a project site. The distance within which there is a fixed price for excavating, hauling, and damping the materials regardless of the distance moved. 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 diagrams to construct the mass haul diagram manually.
To create a mass haul diagram, the following items must be available. Find the distance over which cut and fill will balance. Program rp71 earthworks volumes and masshaul diagram. Section 303 earthwork design wyoming department of. To learn how to create a material list, see the creating a. The mass haul line represents the free haul and overhaul volumes in cut and fill conditions along an alignment. Overhaul is part of the haul which remains after the free haul has been removed. It does not account for earthwork that could start on either end of the road. The mass diagram is used to determine proper distribution of excavated material, to determine amount and location of waste and borrow, and as a basis for an estimate of cost of borrow and of haul of excavated material. Diagram c indicates that there will need to be a waste haul there is excess material on the project. 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. It is necessary to plan movement of excavated soil of work site from cuts to fill so that haul distance be minimum to reduce the cost of earthwork.
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