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. All quantities time independentdynamics body in motion under action of forces. Explain the method used in calculating the haulage of large volumes of earthwork for construction. The plot can be to any scale, depending on the quantities involved. Optimizing earthwork estimating for highway construction. Oct 19, 2017 the mass haul diagram is a traditional and valuable tool for road design. Each phase will stay on track with instant reporting and realtime production data. Probability density functions recall that a random variable x iscontinuousif 1. Students are expected to keep up with the assigned reading and be prepared to. Some of the quantities calculated with the optimal haul are automatically included in the mass haul diagram. 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 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.
Section 303 earthwork design wyoming department of. What is the total volume volume of earthwork for the project. Construction of an ellingham diagram an ellingham diagram is a plot of. Maximize the profile window, ensure the alignment properties panel is. Explain the basic concepts of the mass haul diagram. Con 366 construction equipment and methods earthwork i dr. 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. Surveying lecture notes free haul, overhaul, and mass haul. It is a diagram provides a suitable means for studying haul and overhaul to compute the total payment. The total cutminusfill is plotted at each station directly below the profile plot. Ce dept, lecture notes for ce201 mechanics of materials. 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. Software design and class diagrams the university of.
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. 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. The mass haul diagram can include all soil categories or if preferred, selected materials. First, move the branch point of the path involving hi outside the loop involving h, as shown in figure 343a. The formation level should be selected such that some areas of cut are balanced by some areas of fill. Exhibit 8 calculate total haul as sum of individual rectangles. The area of unsuitable material is shown on the cross sections. The horizontal coordinates are the stations, each vertical line representing a full 100foot station. Autodesk autocad civil 3d mass haul diagram duration. If the pipe discharges to the atmosphere, determine the supply pressure if the tube is inclined 10o above the horizontal in the flow direction. Mass haul diagrams the cumulated volume of earthwork at the horizontal axis y0 is 0. The information listed in this lecture is mainly taken from.
Identify freehaul, overhaul and balance point station. Cut and fill calculations development at this site requires that this area be at an elevation of 101 feet 102 ft. All quantities time dependent engineers mechanics introduction a particle idealizes a body by placing its mass at its center and neglecting its dimensions. Explain the methods used in the haulage of large volumes of earthwork calculation. 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.
View notes lecture 5 earthwork i mass diagrams from con 366 at colorado state university. Download as pptx, pdf, txt or read online from scribd. Worked examples, carefully chosen to clearly illustrate the concepts involved. An example using the mass haul diagram below will be used. The distance within which there is a fixed price for excavating, hauling, and damping the materials regardless of the distance moved. The x axis represents the chainage along the project from the position of zero chainage. Grades final grade range final letter grade 100 90 a 89 80 b 79 70 c 69 60 d 59. Students should bring calculators, rulers, pen and pencils to be used during the lectures. Civil engineering department materials of construction notes. 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. 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.
Put our mass haul solutions into your projects workflow and get immediate results. 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. These diagrams are used as an aid in balancing earthwork. 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 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. Figure 1010 shows the values from the table of cumulative yardage plotted on a mass diagram. 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. Engine specification and performance test results were given as follows.
An innovative mass haul diagram development for highwayearthwork. Over haul is part of the haul which remains after the free haul has been removed. Type and read the help text if you are unfamiliar with terms such as free haul, over. Average haul is the area of the mass diagram representing the number of cubic yard stations of haul between balance points divided by the. Introduction to eagle point road calc cem solutions. Principles of pharmacokinetics learning objectives. Saadfahadresan 3 the formula of density and relative density are. Derivation of the diffusion equation using ficks law. Calculate and expand table1 to include the following performance characteristics. Cut slopes are rarely created greater than a slope of two to one horizontal to vertical dimensions. 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. Creating a masshaul diagram a masshaul diagram looks like a profile but the ground line represents the amount of earthwork. Raw torque nm, raw power kw, bmep kpa, fuel mass flow rate kghr, sfc gkwh. 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.
Y axis represents the aggregate volume of material. 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. 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. Nddot construction conference 2011 east conference. 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. Lectures open course ware of department of civil and. Earthworks data are displayed by means of a mass haul diagram and activities are shown by means of a time chainage diagram.
In the example, the mass ordinate at the end of the project is near zero, indicating. Include the grade and ground profile above the mass diagram use same horizontal scale b. The mass haul view is the grid on which the mass haul line is drawn. Attendance and participation in the lecture are compulsoryand will be considered in the grading. Exhibit 10 mass diagram with insufficient excavation. Say goodbye to the days of mass haul planning being a long and complex process. Earthworks are engineering works created through the processing of parts of the earths surface involving quantities of soil or unformed rock. This is essentially a plot of cumulative volume of soil against distance along the road, often called the chainage. The vertical coordinates are cumulative volumes, plus or minus, from a line of line ofeach horizontal line representing an increment of 200 cubic yards. Overhaul the authorized hauling of excavation beyond the specified free haul distance. 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. 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.
Surveying lecture notes free haul, overhaul, and mass. An incomplete list of possible temporary or permanent geotechnical. Course outline, introduction and examples of transport problems. 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. Chapter 12 volumes and mass haul diagram a practical guide for using inroads xm 19.
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. Construction of mhd the mass haul diagram and the formation level are usually drawn together. Corridor mass haul 4 analyze the mass haul diagram duration. Fm 5430001 chptr 3 surveys and earthwork operations. So i thought it might be worth providing a quick overview of what can be achieved. The mass haul diagram is created using the data from the xsdata worksheet. Figure 2 mass haul diagram for example step 1 plot the mass haul diagram with the mass ordinate on the yaxis and the.
Haul the transportation of excavated material from its original position to is final location in the work or other disposal area. 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. 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. Once the mass haul diagram has been created as shown in fig. Mass haul diagrams in civil 3d 2015 cadline community. The concepts behind the mass haul diagram are discussed in detail in the help document. Mass haul diagrams to construct the mass haul diagram manually. Internal combustion engine performance characteristics. 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. Select endarea volumes from the dialog box explorer. The mass diagram is an excellent method of determining waste or borrow volumes and can be adapted to show haul transportation considerations figure 6. Where to utilize specific types of equipment, where quantities of material are required, average haul. Student exercises, complete with answers, are supplied for private study.
The data is added to the unsuitable materials list. 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. Mass haul diagram is also useful as a source of information to the contractor about which way the earthwork is to be moved. 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. An example using the mass haul diagram below will be used to. Unsuitable material located under fill is included in the mass ordinate calculation.
I have to admit this is something i havent used very much but after a bit of revision it all came back to me. These two values can be obtained from the mass diagram. Mass diagrams or mass haul diagrams are plots of the cumulative volumes of cut and fill along an alignment. 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. 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. Use the mass haul diagram shown below to answer the following questions.
On the mass haul diagram, it is the area contained bn the curve and the balance line. 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 equally helpful for those engineers or surveyors who are responsible for the execution of site work like cutting or filling for ongoing road. The mass haul line represents the free haul and overhaul volumes in cut and fill conditions along an alignment. It is, in fact, using the mass ordinate for the data line. Chapter 12 volumes and mass haul diagram a practical guide for using inroads xm 6. Jun 19, 2017 dont forget to subscribe and stay tune for another video.
1409 631 18 947 483 1249 321 1287 1407 84 480 1209 733 310 1168 1008 224 1013 462 969 484 962 1090 692 318 407 981 583 609 873 1503 1203 1433 1405 253 1472 138 987 500 1020 1288 499 435 538 587 674 555