dump truck cycle times

De-pending on one's perspective, the term has several connotations. Ejector Cycle Times . 1138 ��|�z��}��z��%�P׊��4�ceqWɂ��O2�g��OX��1�\a��{:�Q>h7t��Pp�5�-q�I��.-�WD��=ȯ��u��@��%�x�L�[��S��qÏՊ�#��Y��H�-�N�.��"7C�|��m >}Xq�>�1w�ɸ�`�U��R��c�HM+��O�pʉ-�:�'��įk=A&��A&��wj��C��byˈI�P¥1'~�dB�u�-�&�\�/�� G&O "If that cycle time creeps up even a seemingly small 15 seconds, it will take three minutes to load that same truck . number of truck tri for hauling (a) Calculate the truck cycle time, number of trucks, and total following data: paving mixed HMA from the plant to the road c project site. and truck performance on grade • Factor of time and distance • Basic indicator of optimal grade is cycle time • Distance in a mine must consider both horizontal and vertical performance parameters 60,000 50,000 40,000 30,000 20,000 10,000 0 Grade Length (ft) Slope (ft) 2 4 6 8 10 12 14 16 50,010 25,020 16,697 12,540 10,050 8,350 7,213 . Log Truck Cycle Time Review Project i EXECUTIVE SUMMARY This report was completed in response to findings and recommendations in the BCFSC Ombudsman's 2008 review of Resource Roads and 2009, the Ombudsman's SAFE Companies Report which identified potential "safety implications of logging truck cycle times". a. This manual, however, discusses dump trucks used primarily for . Truck Production Management System (TPMS) (Optional) Provides Payload and Cycle Time Data. Internal drivers can use the Driver mobile app to see daily schedules, view and create assignments, fill out time cards, record truck cycle times, location and materials. This command is used for detailed analysis of haul routes using various haul trucks to determine either 1) the required truck fleet required to meet a target production or 2) the attainable production based on a given haul fleet. cycle times, pressures, oil recommendations, etc., particularly before truck is carrying and determines truck cycle times. Number of required trucks = truck cycle time / loading time Truck cycle time = loading time + going time + return time + dumping time Loading time = truck capacity / production rate of loader Truck capacity = 12 (loose material) / 1.12 = 10.71 m3 (bank measure) Loading time = 10.71 × 60 / 50 = 12.85 min Travel time = 16 × 2 × 60 / 20 = 96 . Download PDF. QUADRUPLE YOUR PRODUCTIVITY. To control the work efficiency and productivity of earthwork equipment, computer vision (CV) methods have been proposed to monitor equipment operations from site surveillance videos. and determines truck cycle times. �� pb 8 �� Dump pumps Pumps for refuse vehicles Dry valve pumps . %�쏢 It represents the time required to maneuver, change gears, start loading, and dump. BOTTOMBOTTOM--DUMP TRUCKS. 7 CHAPTER 10. The typical average useful life of a pickup truck is 7 to 10 years. Spotting of the truck relative to the loader is critical to productivity and cycle times. �� Ͼ�~��.kǯ��z�欜�!��Qg��_��^�D��U��h�K��QR�� 9�aXX]��&�&��m�C� ��ym�Z��O�(9�aw�r�ɐ�_ �\��?o�Λx��ec5D�� _g��J�`�ퟲ�ƔJў�j�� +�!۟��c�n�\�&�P��`{��WY�\��DN k��g�gܫ�(��!��%��x�� ;�a{.-W��ܳW��7g�5��̄n��lt:�5��BP8C�6�f@��i��d-�m�{M��lJL9��gC@��CX��)��o6k��`�.1P�%v��id&�~{�)Ƙ��䦒�ۓ[uF}��\;G��(�Q'��@l� ��}��˨}Y!��bf&��PK�si��x��t,`�׬%��E��Ƨ��P89h&��h��d`o��t�'�{=cE�])�� ^٤�5��ĺ��Ne�(�}mHJ�.\�(�ł�+J�Xr� ��M��ް �غ�:�1K�`��[f�`. . �� B�.�J%��e�� >��Ŝ��{CLӨY��ގ[��mnS޺��I�0�3�n�ӣU�3A�r�G��7Vq��1��D��׊��C9��T� ��'��} �j�1{�� *�{_8�1��m��l�i�7��q��!K�{�/�͘5ՇI_��}e,�sx��?�;��K*�d��H�ő$��W��Yi.N$��6|��!�L �W��9�0��z6�!G0��V�$J8U�A��B}ilT�~�G�q��K��$\�W�c N�ZhO� �}�TJ�;1��V�8��-�� B��o�Ol=qS��_��;D+.��e#��`��'�e]�cx}_R��7�2��ف�2� Drivers are allowed to extend the 10-hour maximum driving time and 15-hour on-duty limit by up to 2 hours when adverse driving conditions are encountered. endstream endobj 348 0 obj <>stream "Excluding any wait time, you should be able to move 30 trucks per hour. For the Haul Distance, type 5. The markings on the tyre will actually mention if the tyre is suitable for a longer cycle. Hence, the cycle time study has been conducted separately for the two different dump sites. %%EOF 2$��i��m��Q�o�W�[��3��~vNځTGD��]�T4&�I1ը�v��h�� #n�r�F͏u>OV�W�GG�]kk��;� N��ɵ}-�&�f�6Pp"`�4�� $�-6F 1;۶�E'��Wl�ۮ�4[��X�Ѡ?jh�J�(>�T/��d�)?�ӛ\�2�"9"��\�1B��e�E��h'�ǵ��2�{�t��6��a�o�6��§unXg��ߣ��Lʘ�6W�Z�p�a�g�#ҫH��h{5i��8��L�b��Q��J��ă��0uxRq=V?0�?v˝7�b��h"��m��[�M�� >`��f��|)�e�A�A�6�&��K��.��P�N�c|� ��&+endstream 33 0 obj Q: What is cycle time, and how does it affect dump truck efficiency? CM 250 and CM 350 Excavation Loading-Hauling Cycle Time Calculation Spreadsheet By R. Rapp Hauler Fixed time (min) Dump time = 1.0 to 1.2-min Position time = 0.6 to 0.8-min Load time, from loader or excavator cycles to fill hauler: loader = 14.20 excavatr = 7.90 Variable time (min) RR (%) GR (%) TR (%) Distance (ft) Time (min) Loaded Job site Section #1 Section #2 Section #3 Section #4 Dump . April 2018: Komatsu Construction launched HD1500-8 mechanical drive dump truck, a 142 metric tonne capacity dump truck in order to reduce cost per tonne through such features as the highest payload in its class, faster cycle times, improved fuel efficiency, longer component life and enhanced maintainability. • No significant differences were found between the production rates for the different trucks. excavator cycles per truck. Finally, the relationships between each excavator and the surrounding trucks are analyzed to identify the potential reason for idling. Enter a Travel Speed Empty of 45 Mile/Hour. The longer the cycle time, the tighter a construction firm's margins are likely to be - and this is obviously hugely important. The longer one is a dump truck driver, the more likely one is to make a higher salary. Hyundai HL780-3A Wheel Loader. HD 465 HORSEPOWER Gross: 551 kW 739 HP/2000 min-1 Net: 533 kW 715 HP/2000 min-1 MAXIMUM PAYLOAD 55 metric tons BODY CAPACITY (Heaped 2:1, SAE) 34.2 m3 HD465-7R Photos may include optional equipment. 358 0 obj <>/Filter/FlateDecode/ID[<8095478EAEB9104D8984CDDC106938E3><43539DD71B87AD409FCC2813EBB9DD56>]/Index[343 28]/Info 342 0 R/Length 78/Prev 240352/Root 344 0 R/Size 371/Type/XRef/W[1 2 1]>>stream Cycle Time. Idling time is an important factor that influences equipment productivity; however, the causes of equipment idling have not been considered in previous CV methods. In mass excavation, a base cycle time of 15 sec. This command combines the haul routes and the haul fleet and calculates the time and distance of all the possible travel routes. This command is used for detailed analysis of haul routes using various haul trucks to determine either 1) the required truck fleet required to meet a target production or 2) the attainable production based on a given haul fleet. ��i��E Ardyan Febrianto. Total cycle times per truck to waste - Peak operations - Shovel 3. = Fixed Cycle Time - Fixed time represents those components of cycle time other than travel time. Dump Time ( DT ), diperoleh dengan cara melakukan pengamatan Menghitung Truck Cycle Time ( TCT ) TCT = LT + RT + DMT + HT Menghitung Number Truck Require ( NTR ) NTR = ç å ç ç Menghitung produktivitas Ada dua cara meghitung produktivitas. Step 4. . Rear dump trucks with specification as follow are used to haul sandy clay material. The aim is to determine the best method. Existing methods can recognize equipment activities to estimate the working and idling times. They are also well paired with our Bruks receiving hopper. Capacity - Heaped. 14 s. Retract Time. This paper. <> The truck cycle times and truck requirements are calculated using individual haulage calculating the uphill and downhill components through the use of rimpull and retard curves, stop signs and speed limiting factors. ing the productivity of the dump trucks when trying to optimise the fleet due to the following . Notice this calculates a cycle time of 20.24. Production 14 cu-yd truck 4 buckets Truck cycle time 19.19 min Load time 1.60 min Number of trucks 12 Production 12 trks 472 lcy Step 4. . Use a hoe cycle time based on past performance data if available or use the average cycle time given Step 3. Take this example: if a truck starts its first leg from Job Site A to Plant 1 and then to Job Site B, and each leg takes approximately 10 minutes, including loads and unloads, the total cycle time is 40 minutes. ��-�=�U+��y�_��"N䯉�U�?I"Hi��^i��oV-Ha�x�-ZG:�^+ ��QM=��]��G��u�Lr��)�Odc��"��4֪E ��0�X��j��)��E��D�l��d��V��)��!�#��*Ǵ�^M!UE0� �� R��N��cg�H��dT��HG()i��U~R�@tb(x�#�f({C��C�{�Ѕ��`/��O�g(:��D��*��0TrEs�mR��K�nɎe$Yv�IgGC�.0�q&�F�-`�DP�s�s��+Kt/E�w��c�y��w��K$��U�.�ˢ�k9q&!1�·#��4�Jƞo�N(C@��`qw*��9)��|:��1�% ��2 A comparative study of truck cycle time prediction methods in open‐pit mining A comparative study of truck cycle time prediction methods in open‐pit mining Emmanuel K. Chanda; Steven Gardiner 2010-09-07 00:00:00 Purpose - The purpose of this paper is to compare the predictive capability of three methods of truck cycle time estimation in open-pit mining: computer simulation, artiﬁcial . Total cycle times per truck to ore - Peak operations - Shovel 2. Collected data was categorized by stage of the dump truck cycle. Rugged Cat structures - the backbone of the AD60's durability. Results indicate that a dump truck's enter idle time, exit idle time, moving speed and driver visibility can significantly impact . The paved has a weight of 145 cft behind the paver. • The cost of the truck is $25/hr , the driver is $18/hr , and the . Thecycle-time method hastheadvantage ofextreme Dump Truck Trick of Trade #1: Number of Trucks Required truck may vary if a different payload is used, as well as it will vary depending on the road surface; tyre model and wear; operator's technique and other factors. The cycle time is the time required to complete a process, process variant, business case, or activity. Cycle time • Cycle time of haulage trucks include spotting time at the loader, loading, hauling, spotting at the dump, dumping and returning time • Load time; depends on the cycle time of the loader and number of passes required to fill the truck • Haul time; depend on the weight carried, road conditions, travel distance, total rolling . H�|TMo�0��W�(�"ɲlE�~ÊP��%n��u ;ސ��.��%J��G�'_��l��W��坆e��-�hV��VZ[(��o0�4M�W�Af��A�-ėg[��>I��E%�� 9 Y�2N�26�E��hY�HĲ��dX߄�x��j%c'j�0��U��H�u�ѽ�c14�0��(�Bt2�B�^f5XU�Wb�Ŗ�� Exchange time: the elapsed time from when a loaded truck receives its' final loading pass on shift until the next truck receives the first load of its' shift. median cycle times for all hauling trucks on a given day. The analysis of the different modes of operation in the payload cycle allowed Fortescue to identify and evaluate the value of reducing the time stopped when empty and optimising truck cycles and scheduling. Q: What is cycle time, and how does it affect dump truck efficiency? The two different ores were dumped at two different dump sites, namely, the Wet plant facility and the DCMP dump. Enter a Travel Speed Full of 35 Mile/Hour. Both the back-on and a drive-over truck dump systems offer excellent cycle times, supporting operations where a receiving facility can process hundreds of trucks a day. �%n4+�h�[s�\�p��-��9K��|��SW�#�[4Sʫ�EՑbKcĴ%sGfC'��d*�qRƇ��y�H�%��VJ%�� r7t펺F�X��2�J�Xƀ��k"$K�}Y�$�Q6M��[��_��Q�q�O��mLȌ"f�8� 8516 LAS VEGAS, NV. Therefore, this research proposes a method to identify the main causes of excavator and truck idling by analyzing their interactive operations. x��WKoE�8�Ĳ� �)�q��6��on"��J0˯ ��W��3� ��]k][S]�U�Wս�hK��J�?��|��&�A!�SP��k26B�N:�]�:�tϻ_v�Yg�/��\�U��N�sgt © 2008-2021 ResearchGate GmbH. Rated Payload 72091.2 lb. Caterpillar 365C L Hydraulic Excavator. Semi-trailer bottom dump truck: Similar to the semi-trailer end dump truck where the dump feature is a clamshell dump gate in the center-bottom of the trailer. ALAT ANGKUT DUMP TRUCK a. Mampu beroperasi pada ukuran Fragment yang besar b. Memerlukan kondisi jalan yang baik untuk meningkatkan productivitas dan menurunkan operating cost . Determine the ideal production rate (LCY per hour). This cycle time also continually changes as the face advances, since both hauling and return times will increase. At our Elkview steelmaking coal operation (EVO) in southeast British Columbia, an opportunity to improve efficiency by reducing haul truck cycle times was identified. Dumper throughput rates depend upon: the truck staging time, the dumper cycle time, the receiving hopper run-out time, and the truck exit time. Dump Truck Trick of Trade #1: Number of Trucks Required Impact Variables of Dump Truck Cycle Time for Heavy Excavation Construction Projects, Spatial behaviour of tourists in Belgrade, Automatic Identification of Idling Reasons in Excavation Operations Based on Excavator–Truck Relationships. (ETDT is the resource code for the Dump Truck you selected.) The operating cycle can be defined as a succession of phases or a series of basic operations. Distance (m) Speed (kph) Fuel use (L) 777F Stop Simulation The cycle time of construction equipment for earthwork operations has a significant impact on project productivity. A: Cycle time is the total time taken from the start to the end of a particular process. • Two laborers and a driver each will load the truck at a rate of 1.5 m3/hr . Short-Haul Exception A driver is exempt from the requirements of §395.8 and §395.11 if: the driver operates within a 150 air-mile radius of the normal work reporting location, and the . _. )��w�x�m]5̝V�>�1)|}��oo|��{?��^z o��;��]ຐmޮ�^V.Y�.0|��k�� Haul Cycle Analysis. The cycle time is made up of the processing time, the idle time, the transport time, and the waiting time. TRUCKS CLASSIFICATION Trucks may be classified according to a number of factors including: 1. 370 0 obj <>stream EVO determined that the average haul truck cycle could be reduced. In addition to this, average utilisation, availability factors and load and dump times are used. Cycle times can be one of the more puzzling aspects of open-pit mining. endobj 12 Tractor with bottom dump trailer CHAPTER 10. For Load Time (Minutes), type 3. "Generally, the truck would be horizontal to the digging position of the loader and set back at a distance . a minimum amount of time and effort coupled . h�b```�*� � ��ea��`¨��&�p�S�Q�H��_��8�;@5�,��``��__|�� 掆� �,�} �� Fe m �¯ �`Ԑ�p�q);� �h&�Ff�6y�7} �@4H+00�S�@i�&�OTX��BUI �2� Use a hoe cycle time based on past performance data if available or use the average cycle time given Step 3. ... 109 Figure 6.13. stream H�|TKo�@��+�8+��>�B�"��"E��@Im��IK�g��}�X�ǅ�:v1(��*�/>?=�b��O�5�p�iM��:N2��\��&�� tr�Ɛ��Q�pl��fh��Qe�M��*rx.�í�{��x$8�7�uf��Ք]q�Ea���+�u^#��x�l� MU��. A mine meas-ures cycle times to determine equipment performance as well as operator effi-ciency [1]. The 1243 ADT utilizes K-Tec's proprietary gooseneck hitching system, and has a PSI strength which is significantly greater than many competing scrapers. Some of these considerations for a dump truck, for example, according to RaNae Isaak, powertrain and TCO consultancy leader at Cummins Inc., include: federal regulation, the state laws including bridge and frost that may impact operation, the time spent off-road, the duty cycle of the vehicle, the weight of the commodity, the potential . The operating cycle can be defined as a succession of phases or a series of basic operations. First, the activities of the excavators and trucks are identified using convolutional neural networks. a) Rear dump trucks 5. b) Bottom-dump Truck c) Side-dump Truck 6. Cycle time depends on time to complete one cycle of operation consisting of loading time, hauling time, dumping time, and time of back to the load point. �c,܃/��瞕��iH�T$�R��°H�Y��ᚶ�>��}\�"�aQ~П��)^\��V ��e��i�� |�PDH?��W@0(6�`�{[� m2G��j�$ȶ��oTk*Y��-�$��i`�C�a�� O\��.H-<2��hm�[�R䯃��]�Rs��W��v'yO�.�Е��' |��2|�Odnܜ.G0ؼ9g�C��p0��g�C�/2��l��R�J�G� j=#��"n@�qs{p� ��_��H-9�e3. For Dump Time (Minutes), type 2. Every leg of a cycle time has a benchmark. A) The increase in cycle distances contribute to increase in cycle time resulting in few load for a given time period. endstream endobj 347 0 obj <>stream h�Ԙ�n�6�_��-C� �&�M�"��_(�`؃�� ۗ3")J+��p_�%q��*'�M �݅��r�$7�F��p7�p�!��F��"��%�DY#�M�q2�(6�=J��|�}�6;�ܕ˚0�u6)�~/��ǚhͳ�e�:�d�y�!Bf�ղ��X�ss��E�RLp��i��?��\�?��բX��bQf�ql�kvv��y��Y�.��r�^sl�n*2�f�b^ݝ/�%�٬._:��Tb,��:��G"�y�΍!co��[�Wˇ�Z�/7U|�V�M=y,��w�B�i�>>�+�;��չ��K�O��1!�R�(�t Dump time 1.30 min Return time 4.29 min Truck cycle time 19.19 min Step 7. TOTAL CYCLE TIME = Wait and Load + Turn and Dump + Haul Min + Return Min; PRODUCTION HOUR = 60 * Production Efficiencies / 100; CYCLES PER HOUR = Production Hour / Total Cycle Time; NO. BCM 350 Excavation Loading-Hauling Cycle Time Calculation Spreadsheet Loader Fixed time (min) Basic cycle time = 2. endobj It utilizes the predefined haul road routes, and the trucks from the haul fleet for analysis. A: Cycle time is the total time taken from the start to the end of a particular process. Truck cycle time 20 minutes 0.5 minute . Structures . The method of dumping the load. A cycle time survey was done by following the truck from the loading point to the shaft bottom point. Its C175-20 diesel engine's 20-cylinder, four-stroke design uses long, effective power strokes for optimum efficiency. Side dump truck (penumpahan kesamping) b. Rear dump truck (penumpahan kebelakang) c. Rear and side dump truck (penumpahan kebelakang dan kesamping) Syarat penting agar truck dapat bekerja dengan efektif adalah jalan kerja yang keras dan rata, tetapi ada kalanya truck didesain agar mempunyai cross country ability yaitu suatu kemampuan . Terex TA40 Articulated Dump Truck. is not uncommon with a skilled operator. 8190 . OF TRUCKS = Total Cycle Time / Wait and Load; Backhoes ESTIMATED PRODUCTION PER BACKHOE = (CY/Truck) * (Cycles/Hour) * No. Manufacturer/Model. ��%��u��n{��J�rc �r�[�Wi�4�a��Ʌa�`�#5�q4�uY0�,PX�y�b. 0 �3�� Number of trucks required. a minimum amount of time and effort coupled . x��WKo7��h��Gn �|?�-� �%�Cۃ#[�]I~��w��p��n,��1C�|��e��OV��=�kn�Lx��2n`��6Ji1�7-�6��v��6|n�K]�+��moϚ��9��_�p�8*�O?��ծ�u �䬕��.� +��on�]��|�1j�7֐��"�_"�[$?��? View Loader-Truck Cycle Time Spreadsheet (1).xls from BCM 350 at Purdue University. Fast Hoist Cycle Times . 14 cu-yd truck 4 buckets Truck cycle time 19.19 min Load time 1.60 min Number of trucks 12 Step 8. x��VKo$5��>��Gw�1.��G$B{!j�!��7��d��vu�I"E�(��k&(&�g�͏��\7��J��-[�_��v�c�ݯ��9m��f�X�\�Lc�h|�ˮ��w�K�w�:�� t��T>X��:�$�A8ú�Fb��,. Unusually, high readings of cycle time in certain segments highlight problems in the process, or . However, in this case, it was seen as the first step in a well-organized way to control the fleet produc- . ... 110 Figure 6.14. Compare. 5 0 obj Caterpillar 143H Motor Grader. %PDF-1.5 %�� . 2014 Cat 740B 6x6 Articulated Dump Truck. to estimate the results of changes to cycle times, payload, and number of trucks. a truck-mounted, or mobile, hydraulic system operates, what components make up the system, how they work, and why they sometimes fail to perform . 25 0 obj Cycle Time for Transporting Material Example 1 • 175 tons of sand with a density of 1.75 ton/m3 must be transported 7 km using a 10m3 dump truck. Single-stage hoist cylinders provide fast dump cycle times of 10.5 seconds for raise and 11.2 seconds for lower. scheduled mining locations and respective dump destinations. �Wql�90B.$ ČM�rX(��*�^��W�9��c�f��Lp]��,V��x��9u��^SmZ!�L�u&��9F '�C�3�!d�B�u�a;ʗ؅��XfS�ap��a� 4:�A��0�e8��2�&�$��-��U��m�5͋�3+ωe�ͱ"��ZQS��V�\�:��\d� ��Ђ)�rSv^��Ѧ�3�)I1ᣮ&_Ĭ�m� �!�V~D)�~��]��l�":V�{�QύQ��_O�}q��}+��i�D�sN�u(��1b�.U��P��0�m�4㳶�$�7�xD�۫]xI� ��}g,Ӎ3�Qf(�W��I��&�䲇��-'�,��/�:�!�G�p�H�L�DIAP� �g4s}�fU�J�ڳo Dump time: this also includes wait-times for other trucks to dump. ing the productivity of the dump trucks when trying to optimise the fleet due to the following . endstream endobj 344 0 obj <>/Metadata 35 0 R/Outlines 53 0 R/PageLayout/OneColumn/Pages 341 0 R/StructTreeRoot 62 0 R/Type/Catalog>> endobj 345 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 346 0 obj <>stream Terex TR70 Rock Truck. The objective of this research is to scientifically identify and... For the purpose of destination planning, management and marketing it is imperative to understand the patterns of tourist spatial activities within cities; in the sense of delineating of tourist zones and major pathways, prognosis of the time spent at particular locations and realizing factors which shape the movement of tourists. <> The aim of this re... Join ResearchGate to access over 30 million figures and 135+ million publications – all in one place. Cycle Time Study It has been observed that two different kinds of ore based on their composition were mined simultaneously at the Katamati mine.
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