Exhibit 8 calculate total haul as sum of individual rectangles. Typically, the mass diagram is plotted below a profile of the route, with the ordinate at any station representing the sum of the volumes of cut and fill up to that station. Unsuitable material located under fill is included in the mass ordinate calculation. Mass diagrams or mass haul diagrams are plots of the cumulative volumes of cut and fill along an alignment. Course outline, introduction and examples of transport problems. Introduction to eagle point road calc cem solutions. In the example, the mass ordinate at the end of the project is near zero, indicating. Civil engineering department materials of construction notes.
Say goodbye to the days of mass haul planning being a long and complex process. The mass haul diagram is a curve in which the abscissas represent the stations of the survey and the ordinates represent the algebraic sum of excavation and embankment quantities from some point of beginning on the profile. Some of the quantities calculated with the optimal haul are automatically included in the mass haul diagram. 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 ordinate of the mass which the yardage is hauled. Attendance and participation in the lecture are compulsoryand will be considered in the grading. Y axis represents the aggregate volume of material. Calculate and expand table1 to include the following performance characteristics. The concepts behind the mass haul diagram are discussed in detail in the help document. These diagrams are used as an aid in balancing earthwork. 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.
Identify freehaul, overhaul and balance point station. Construction of mhd the mass haul diagram and the formation level are usually drawn together. The total cutminusfill is plotted at each station directly below the profile plot. Mass haul diagram is also useful as a source of information to the contractor about which way the earthwork is to be moved. The location of an intermediate balance point is normally determined by linearly interpolating between positive and negative mass ordinates. M v relative density d density of the material density of pure water at 4.
The area of unsuitable material is shown on the cross sections. I have to admit this is something i havent used very much but after a bit of revision it all came back to me. If the pipe discharges to the atmosphere, determine the supply pressure if the tube is inclined 10o above the horizontal in the flow direction. Select endarea volumes from the dialog box explorer. An example using the mass haul diagram below will be used to. Fm 5430001 chptr 3 surveys and earthwork operations. The distance within which there is a fixed price for excavating, hauling, and damping the materials regardless of the distance moved. Ce 453 lesson 24 earthwork and mass diagrams terrain effects on route location earthwork is costly attempt to minimize amount of earthwork necessary set grade line as close as possible to natural ground level set grade line so there is a balance between excavated volume and volume of embankment earthwork analysis take average crosssections along the alignment typically 50 feet plot natural. The mass haul diagram is created using the data from the xsdata worksheet. 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. Principles of pharmacokinetics learning objectives. An innovative mass haul diagram development for highwayearthwork.
Put our mass haul solutions into your projects workflow and get immediate results. Optimizing earthwork estimating for highway construction. The book is aimed specifically at students of surveying, civil, mining and municipal engineering and should also prove valuable for the continuing education of professionals in these fields. Cut slopes are rarely created greater than a slope of two to one horizontal to vertical dimensions. 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. Cut and fill calculations development at this site requires that this area be at an elevation of 101 feet 102 ft. The mass diagram helps the engineer identify the most economical locations along the length of the project to obtain the necessary material true the cost of earthwork operations does not vary with the kind of soil or rock encountered and the methods used to excavate, haul, and place the material in its final deposition. 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. Oct 19, 2017 the mass haul diagram is a traditional and valuable tool for road design. All quantities time dependent engineers mechanics introduction a particle idealizes a body by placing its mass at its center and neglecting its dimensions. Reading and using a mass hual diagram a mass haul diagram illustrates the accumulated al gebraic sum of the cubic yards of earthwork on a project. Cut areas fill areas to estimate the cutandfill required in this cell, first compute the change in volume v original elevations proposed elevations cut and fill calculations. Jun 19, 2017 dont forget to subscribe and stay tune for another video. On the mass haul diagram, it is the area contained bn the curve and the balance line.
Use the mass haul diagram shown below to answer the following questions. The peaks and the lowest points of the mass diagram that represent the maximum or minimum yardage, occur at, or near, the grade line on the profile. 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. It is, in fact, using the mass ordinate for the data line. Mass haul diagrams in civil 3d 2015 cadline community. Average haul is the area of the mass diagram representing the number of cubic yard stations of haul between balance points divided by the. Surveying lecture notes free haul, overhaul, and mass. The vertical coordinates are cumulative volumes, plus or minus, from a line of line ofeach horizontal line representing an increment of 200 cubic yards. Section 303 earthwork design wyoming department of. All quantities time independentdynamics body in motion under action of forces. View notes lecture 5 earthwork i mass diagrams from con 366 at colorado state university. The horizontal coordinates are the stations, each vertical line representing a full 100foot station. Mass haul diagrams to construct the mass haul diagram manually. These two values can be obtained from the mass diagram.
Software design and class diagrams the university of. Explain the basic concepts of the mass haul 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. It is equally helpful for those engineers or surveyors who are responsible for the execution of site work like cutting or filling for ongoing road. Chapter 12 volumes and mass haul diagram a practical guide for using inroads xm 19. Ce 453 lesson 24 earthwork and mass diagrams terrain effects on route location earthwork is costly attempt to minimize amount of earthwork necessary set grade line as close as possible to natural ground level set grade line so there is a balance between excavated volume and volume of embankment earthwork analysis take average crosssections along the alignment typically. Haul the transportation of excavated material from its original position to is final location in the work or other disposal area.
Chapter 12 volumes and mass haul diagram a practical guide for using inroads xm 6. An incomplete list of possible temporary or permanent geotechnical. The information listed in this lecture is mainly taken from. 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. So i thought it might be worth providing a quick overview of what can be achieved. Basic applications example 4, page 2 of 3 2 p 100 n f 100 mm b n b n c f c freebody diagram 300 mm 50 mm impending motion of bracket 3 the friction forces, f b and f c, resist the motion by pushing the bracket up. Students should bring calculators, rulers, pen and pencils to be used during the lectures.
The plot can be to any scale, depending on the quantities involved. Mass haul diagrams the cumulated volume of earthwork at the horizontal axis y0 is 0. 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. Corridor mass haul 4 analyze the mass haul diagram duration. Once the mass haul diagram has been created as shown in fig. 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. Class diagrams in the life cycle used throughout the development life cycle carry di erent information depending on the phase of the development process and the level of detail being considered from the problem to implementation domain massimo felici software design and class diagrams c 20042011. An example using the mass haul diagram below will be used. A couple of days ago i was asked to provide a demo to a potential customer on the production of mass haul diagrams from a civil 3d model. Earthworks data are displayed by means of a mass haul diagram and activities are shown by means of a time chainage diagram. Grades final grade range final letter grade 100 90 a 89 80 b 79 70 c 69 60 d 59. The formation level should be selected such that some areas of cut are balanced by some areas of fill. First, move the branch point of the path involving hi outside the loop involving h, as shown in figure 343a.
Describe the physicochemical and physiological factors that influence the absorption of drugs from enteral and parenteral routes of administration, their distribution within the body, and their routes and. Probability density functions recall that a random variable x iscontinuousif 1. Con 366 construction equipment and methods earthwork i dr. The mass haul view is the grid on which the mass haul line is drawn. Nddot construction conference 2011 east conference. What is the total volume volume of earthwork for the project.
An example using the mass haul diagram below will be used to illustrate the procedure for determining the amount of overhaul and cost estimation of such an operation. Lectures open course ware of department of civil and. 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. 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. Worked examples, carefully chosen to clearly illustrate the concepts involved. Engine specification and performance test results were given as follows. Figure 2 mass haul diagram for example step 1 plot the mass haul diagram with the mass ordinate on the yaxis and the. Figure 1010 shows the values from the table of cumulative yardage plotted on a mass diagram. Internal combustion engine performance characteristics. The mass diagram is an excellent method of determining waste or borrow volumes and can be adapted to show haul transportation considerations figure 6. Surveying lecture notes free haul, overhaul, and mass haul.
Student exercises, complete with answers, are supplied for private study. Include the grade and ground profile above the mass diagram use same horizontal scale b. The x axis represents the chainage along the project from the position of zero chainage. 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. Figure 2 mass haul diagram for example step 1 plot the mass haul diagram with the mass ordinate on the yaxis and the station on the xaxis. This is essentially a plot of cumulative volume of soil against distance along the road, often called the chainage. Explain the method used in calculating the haulage of large volumes of earthwork for construction. Ce dept, lecture notes for ce201 mechanics of materials. Students are expected to keep up with the assigned reading and be prepared to.
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. To understand the manner in which the mass diagram is used to balance cuts and fills and how haul limit is determined, lets examine figure 1010. 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. Exhibit 10 mass diagram with insufficient excavation. The mass haul line represents the free haul and overhaul volumes in cut and fill conditions along an alignment. The mass haul diagram can include all soil categories or if preferred, selected materials. 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. Nov 15, 2017 right click in the mass haul window select mass haul options to open the dialogue box shown in the figure below.
It is a diagram provides a suitable means for studying haul and overhaul to compute the total payment. Saadfahadresan 3 the formula of density and relative density are. Maximize the profile window, ensure the alignment properties panel is. Download as pptx, pdf, txt or read online from scribd.
Autodesk autocad civil 3d mass haul diagram duration. The data is added to the unsuitable materials list. Raw torque nm, raw power kw, bmep kpa, fuel mass flow rate kghr, sfc gkwh. Where to utilize specific types of equipment, where quantities of material are required, average haul. Creating a masshaul diagram a masshaul diagram looks like a profile but the ground line represents the amount of earthwork.
531 217 1022 1624 748 1352 112 1489 788 116 1581 47 1082 1599 1048 1079 1440 1267 590 407 1568 467 1052 330 727 987 1396 1205 1154 668 1282 933