Cone rolling to crawler excavator
Keywords:
road-building machines, machines for surface and deep compaction of soils, cone working body of a crawler excavator, cone rolling boreholeAbstract
The basic schemes of technical solutions for deep soil compaction are considered. The evaluation of the advantages and disadvantages of the design of devices is successfully applied, applied on construction sites in Novosibirsk, Omsk, and others. The Lavrentiev Institute of Hydrodynamics SB RAS and LLC Scientific and Production Company “Hydromechanics” Developed technology and equipment for deep soil tamping which is a working equipment for heavy crawler excavators, allowing to receive wells with a diameter of up to 0.9 m and a depth of up to 4 m. Novosibirsk inventors L.M. Bobyleva and others (Novosibirsk) developed devices for rolling up holes in the ground, including a base machine, arrow, mechanism for turning the boom, carriage, frame rotator, working body, drilling rig, a mechanism for moving the carriage and a mechanism for turning the frame. The device rolls a borehole with a diameter of 0.25 ... 0.4 m and a depth of 6 m.
The design of a cone-shaped spreader based on a hydraulic excavator for deep compaction of the road is proposed. Destruction of the road surface occurs asa result of instability of the road foundation. This damage is a consequence of violations related to the process technology and methods of compaction of soil and the application of existing soil compacting techniques. Small violations turn into dangerous deformations of the road. These indicators lead to a reduction in vehicle speed and economic efficiency. The constructive merits of new technical solutions are substantiated. Purpose of the new technology: redistribute the external load to the local area of the working body, which will make it possible to perform the process of compaction of the soil with a significantly lower installed power drive actuator in the form of a cone spreader.
References
Погрузочно-разгрузочные и уплотняющие машины/ под общ. ред. В.И. Баловнева. – Бел-город: Изд-во БГТТУ, 2011. – 464 с.
Иванченко, С.Н. Асфальтоукладчики: Конструирования и расчет/ С.Н. Иванченко, А.В. Лещинский. – Хабаровск: Изд-во Хабаров. гос. техн. ун-та, 2002. – 104 с.
Разработка теории расчета основных параметров импульсно-волнового прессования композиционных материалов: отчет НИР, ч. II / ВНТИЦ. – Челябинск, ЮУрГУ, 1999. – № ГР-01.980004703. – Инв. №02.990003671.
Уплотнение грунтов обратных засыпок в стесненных условиях строительства/ Норма-тивная документация Госстрой СССР. – М.: Стройиздат, 1981.
Хартута, Н.Я. Прочность, устойчивость и уплотнение грунтов земляного полотна ав-томобильных дорог/ Н.Я. Хартута, Ю.М. Васильев. – М.: Транспорт, 1975. – 278 с.
Технология и оборудование для глубокого трамбованные грунта/ В.С. Миронов, П.Я. Фа-деев. В.Я. Фадеев, М.С. Мандрик// Строительные и дорожные машины. – 2015. – №8. – С. 2–4.
Пат. 1836527 Российская Федерация. Устройство для раскатки скважин в грунте/ Л.М. Бо-былев, А.Л. Бобылев; заявитель и патентообладатель Л.М. Бобылев, А.Л. Бобылев. – №5000939/03;
заявл. 12.07.1991; опубл. 23.08.1993, Бюл. №31. – 4 с.
Луцкий, С.Я. Интенсивная технология упрочнения слабых оснований земляного полотна/ С.Я. Луцкий, А.Б. Сакун// Транспортное строительство. – 2015. – №08. – С. 18–22.
Минаев, О.П. Основы и методы уплотнения грунтов оснований для возведения зданий и сооружений/ О.П. Минаев. – СПб., 2014. – 295 с.
Minaev, O.P. Russian methods and equipment for spatial vibrocompaction foundations and structures / O.P Minaev // ARC 2015: New Innovationsand Sustainability, 2015.– P. 2747–2750. DOI: 10.3208/jgssp.TC305-11
Строительство, эксплуатация и ремонт автомобильных дорог: справ. / под ред. С.Г. Цу-пикова. – М.: Инфра-Инженерия, 2005. – 928 с.
Баловнев, В.И. Интенсификация разработки грунтов в дорожном строительстве/ В.И. Баловнев, Л.А. Хмара– М.: Транспорт, 1993. – 380 с.
Raifhel, M. Geotextile – Encased Columns (GEC) for Foundation of a Dyke on very Soft Soils / M. Raifhel [et al.] // Proc. 7 the Intern. Conf. on Geosynthetics. – Nizza, 2006. – P. 1025–1028.
Ground Improvement – Case Histories/ ed. B. Indranatna, C. Jian. – Elsevier, 2005. – P. 633–658.
Muni, B. Soil mechanics fundamentals / B. Muni. – John Wiley & Sons, 2015. – 341 p.
Horton, R Effects of compaction on soil hydraulic properties / R. Horton, M.D. Ankeny, R.R. Allmaras // Soil Compaction in Crop Production. – 1994. – P. 141–165.
Compaction by agricultural vehicles: a review. I. Soil and wheel characteristics / B.D. Soane, P.S. Blackwell, J.W. Dickson, D.J. Painter // Soil Tillage Res. – 1981. – No. 1. – P. 207–237. DOI: 0.1016/0167-1987(80)90026-4
Evaluation of the dynamic cone penetrometer todetect compaction in ripped soils / C.T.S. Beckett, S. Bewsher, A.L. Guzzomi et al. // Soil and Tillage Research. – 2018.– No. 175. – P. 150–157. DOI: 10.1016/j.still.2017.09.009
Advances in numerical modelling of different ground improvement techniques / E. Heins, K.-F. Seitz, A. Chmelnizkij et al. // Geotechnical Engineering. – 2017. – No. 48 (3). – P. 87–94.
Massarsch, K.R. Evaluation ofresonance compaction of sand fillsbased on cone penetration tests / K.R. Massarsch, B.H. Fellenius // Proceedings of the Institution of Civil Engineers: Ground Improvement. – 2017. – No. 170 (3). – P. 149–158. DOI: 10.1680/jgrim.17.00004
Zhang, C. Theoretical and regressive analysis ofthe position of peak stress on fully mechanized caving mining / C. Zhang, Z.Y. Ti, Z.X. Li // China Safety Science Journal. – 2011. – Vol. 21, no. 9. – P. 88–93.
