CS247281B1 - Method of building structures' or their elements' quick building for mining or engineering structures - Google Patents
Method of building structures' or their elements' quick building for mining or engineering structures Download PDFInfo
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- CS247281B1 CS247281B1 CS144484A CS144484A CS247281B1 CS 247281 B1 CS247281 B1 CS 247281B1 CS 144484 A CS144484 A CS 144484A CS 144484 A CS144484 A CS 144484A CS 247281 B1 CS247281 B1 CS 247281B1
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Vynález sa zaotoerá stpcsoboim rýchileho budovania stavebných konštrukcií alebo ich prvkov pre banské alebo· inžinierské stavby.The invention is directed at 100 times rapid construction of building structures or elements thereof for mining or civil engineering works.
Pri výstavbo niektorých banských a inžimáeirsikych stavieb, najma vtedy, keď je potřebné vybudovat spevňujúcu výplň alebo stenu v dostatočnej hrúbke bez akejkolvek mechanizácie a připadne a) v obtiažných geologických podmienkach, například málo pevných horninách známe sposoby nanášania stavebných hmot, například striekania betonu (takzvaný suchý alebo· mokrý striekaný beton) sa nemožu použit, a ani nárast fyzikálno mechanických vlastností nanášanej hmoty nie je dostatečné rýchly.In the construction of some mining and civil engineering constructions, especially when it is necessary to build a reinforcing filler or wall in sufficient thickness without any mechanization and possibly a) in difficult geological conditions, for example low-strength rocks, known methods of applying building materials, eg spraying concrete or wet sprayed concrete) cannot be used, and the increase in the physico-mechanical properties of the coating composition is not sufficiently rapid.
Z AO 222 863 je známa rýchlotvrdnúca hydraulická zmes pozostávajúca, uvedené v dieloch hmotnostných, zo 100 dielov hlinitanového cementu, 3 až 30 dielov mletého vápna a/alebo vápenného hydrátu, 3 až 30 dielov mletého· vápenca s obsahom najmenej 50 % hmotnostných častíc menších ako 45 μΐη, 0,1 až 5 dielov regulátora tuhnutia pozostávajúeeho z organické) kyseliny obsahujúcej najmenej dve karboxylové skupiny a/alebo z rozpustného síranu dvojmocného kovu a/alebo z aniónaktívne] sulfonovanej organickej zlúčeniny, a připadne 5 až 900 dielov portlandslkého alebo trosko247281 portlandského cementu a/alebo až 800 dielov plniva.AO 222 863 discloses a rapid-hardening hydraulic composition consisting, in parts by weight, of 100 parts of aluminous cement, 3 to 30 parts of ground lime and / or lime hydrate, 3 to 30 parts of ground limestone containing at least 50% by weight of particles smaller than 45 μΐη, 0,1 to 5 parts solidification regulator consisting of an organic acid containing at least two carboxylic groups and / or a soluble bivalent metal sulphate and / or an anionically active sulphonated organic compound, and optionally 5 to 900 parts portland or slag247281 portland cement and / or up to 800 parts of filler.
Doteraz však holi známe len také sposoby použiti,a zmesi podlá AO 222 863, pri ktorých sa zmes zmiešala s vodou ešte před nanesením na opravovaná alebo budovanú konštrukciu alebo jej část.To date, however, only such uses have been known, and compositions according to AO 222 863, in which the composition was mixed with water prior to application to the repaired or constructed structure or part thereof.
Riešenie uvedených problémov poskytuje sposob rýchleho budovania stavebných konštrukcií alebo ich prvkov pre banské alebo inžinierske stavby, ako je zakladanie viacvýlomov pri razení chodieb, budovanie protivýbuchových hrádzí, spevňovanie stien výlomov v obtiažných geologických podmienkach a pod., podía vynálezu.The solution to the above problems provides a method of rapidly constructing building structures or elements thereof for mining or civil engineering constructions, such as foundation of multi-breakthroughs in tunneling, building of explosion dams, strengthening of walls of excavations in difficult geological conditions and the like according to the invention.
jeho podstatou je, že rýchlotvrdnúca hydraulická zmes sa uloží do budovaného prvku alebo konštrukcie v suchom stave, zabalené do obalov, ktoré prepúšťajú vodu, například vriec z polypropylénové) tkaniny, načo sa hydraulicky aktivuje poliatím vodou a/alebo premáčaním vodou, například napuštěním vody do· prepichnutého obalu do 65 ; 35 dielom hmotnostným.its essence is that the quick-curing hydraulic mixture is deposited in the building element or structure in a dry state, packaged in water-permeable containers, for example polypropylene bags, which is hydraulically activated by pouring water and / or water soaking, e.g. · Pierced packaging up to 65; 35 parts by weight.
Výhody vynálezu ukazuje nasledujúci příklad použitia: Rýchlotvrdnúca hydraulická zmes bola vyrobená zhomogenizovaním nasledujůcich zložiek:The advantages of the invention are illustrated by the following application example: The rapid-setting hydraulic mixture was produced by homogenizing the following components:
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Sposob budovania a aktivácie hydraulické] hmoty podlá vynálezu bol preukázaný následovně:The method of building and activating the hydraulic mass according to the invention has been demonstrated as follows:
Do vriec z polyp ropy lenové j tkaniny holo nasypané po 30 kg zmesi hoře uvedeného uloženia. Tri vrecia boli uložené na se281 ba. Do prepichnutých vriec bola napuštěná voda hiadicou po dobu cca 1,5 miinúty. Napokon boli vrecia obliate vodou. Už po 2 minutách začal obsah vriec tuhnúť. Obsah vriec dobré zatvrdol a po 30 minutách mal pevinosť v tlaku 4 MPa.In bags of polyp petroleum linen fabric holo sprinkled with 30 kg of the mixture of the aforementioned fit. Three bags were placed on se111 ba. Water was pumped into the punctured sacks for about 1.5 minutes. Finally, the bags were covered with water. Already after 2 minutes the contents of the bags began to solidify. The contents of the bags hardened and after 30 minutes had a compressive strength of 4 MPa.
Sposob podlá vynálezu umožňuje výrazné urýchlenie výstavby, skrátenie prestojov, zvýšenie bezpečnosti práce, a zvýšenie využitia raziacich strojov. Bahkosť manipulácie so zlaiba,letnou hmotou, jej rýchla alktivácia v styku s vodou umožňuje rýchle budovanie roznych výplní, konštrukčných prvkov protivýbuchových a protipožlarnych hrádzí a podobné, a to najma v obťiažných geologických podmienkach, keď nie je k dispozícii žiadna mechanizácia, alebo kde je nevyhnutné v extrémně krátkých časoch zabezpečit pevinú tonštrukciiu.The method according to the invention allows a significant acceleration of construction, shortening of downtimes, increased safety of work, and increased use of embossing machines. The difficulty of handling zlaiba, summer matter, its rapid inactivation in contact with water allows the rapid construction of various fillings, anti-explosion and fire dam structures, and the like, especially in difficult geological conditions when no mechanization is available or where it is necessary in extremely short times ensure solid tonnage.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CS144484A CS247281B1 (en) | 1984-03-01 | 1984-03-01 | Method of building structures' or their elements' quick building for mining or engineering structures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CS144484A CS247281B1 (en) | 1984-03-01 | 1984-03-01 | Method of building structures' or their elements' quick building for mining or engineering structures |
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CS247281B1 true CS247281B1 (en) | 1986-12-18 |
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CS144484A CS247281B1 (en) | 1984-03-01 | 1984-03-01 | Method of building structures' or their elements' quick building for mining or engineering structures |
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CS (1) | CS247281B1 (en) |
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1984
- 1984-03-01 CS CS144484A patent/CS247281B1/en unknown
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